205275

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1$

素因数の和:60

約数の個数: 48

約数和(自身を含む): 428544

約数和(自身を除く): 223269

約数列:

[1, 3, 5, 7, 15, 17, 21, 23, 25, 35, 51, 69, 75, 85, 105, 115, 119, 161, 175, 255, 345, 357, 391, 425, 483, 525, 575, 595, 805, 1173, 1275, 1725, 1785, 1955, 2415, 2737, 2975, 4025, 5865, 8211, 8925, 9775, 12075, 13685, 29325, 41055, 68425, 205275]

約数ペア:

[(1, 205275), (3, 68425), (5, 41055), (7, 29325), (15, 13685), (17, 12075), (21, 9775), (23, 8925), (25, 8211), (35, 5865), (51, 4025), (69, 2975), (75, 2737), (85, 2415), (105, 1955), (115, 1785), (119, 1725), (161, 1275), (175, 1173), (255, 805), (345, 595), (357, 575), (391, 525), (425, 483)]