216565125

素因数分解:

$3^1\times 5^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{211}}^1$

素因数の和:276

約数の個数: 128

約数和(自身を含む): 457187328

約数和(自身を除く): 240622203

約数列:

[1, 3, 5, 7, 15, 17, 21, 23, 25, 35, 51, 69, 75, 85, 105, 115, 119, 125, 161, 175, 211, 255, 345, 357, 375, 391, 425, 483, 525, 575, 595, 633, 805, 875, 1055, 1173, 1275, 1477, 1725, 1785, 1955, 2125, 2415, 2625, 2737, 2875, 2975, 3165, 3587, 4025, 4431, 4853, 5275, 5865, 6375, 7385, 8211, 8625, 8925, 9775, 10761, 12075, 13685, 14559, 14875, 15825, 17935, 20125, 22155, 24265, 25109, 26375, 29325, 33971, 36925, 41055, 44625, 48875, 53805, 60375, 68425, 72795, 75327, 79125, 82501, 89675, 101913, 110775, 121325, 125545, 146625, 169855, 184625, 205275, 247503, 269025, 342125, 363975, 376635, 412505, 448375, 509565, 553875, 577507, 606625, 627725, 849275, 1026375, 1237515, 1345125, 1732521, 1819875, 1883175, 2062525, 2547825, 2887535, 3138625, 4246375, 6187575, 8662605, 9415875, 10312625, 12739125, 14437675, 30937875, 43313025, 72188375, 216565125]

約数ペア:

[(1, 216565125), (3, 72188375), (5, 43313025), (7, 30937875), (15, 14437675), (17, 12739125), (21, 10312625), (23, 9415875), (25, 8662605), (35, 6187575), (51, 4246375), (69, 3138625), (75, 2887535), (85, 2547825), (105, 2062525), (115, 1883175), (119, 1819875), (125, 1732521), (161, 1345125), (175, 1237515), (211, 1026375), (255, 849275), (345, 627725), (357, 606625), (375, 577507), (391, 553875), (425, 509565), (483, 448375), (525, 412505), (575, 376635), (595, 363975), (633, 342125), (805, 269025), (875, 247503), (1055, 205275), (1173, 184625), (1275, 169855), (1477, 146625), (1725, 125545), (1785, 121325), (1955, 110775), (2125, 101913), (2415, 89675), (2625, 82501), (2737, 79125), (2875, 75327), (2975, 72795), (3165, 68425), (3587, 60375), (4025, 53805), (4431, 48875), (4853, 44625), (5275, 41055), (5865, 36925), (6375, 33971), (7385, 29325), (8211, 26375), (8625, 25109), (8925, 24265), (9775, 22155), (10761, 20125), (12075, 17935), (13685, 15825), (14559, 14875)]