31231125

素因数分解:

$3^2\times 5^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1$

素因数の和:132

約数の個数: 96

約数和(自身を含む): 63078912

約数和(自身を除く): 31847787

約数列:

[1, 3, 5, 9, 15, 17, 23, 25, 45, 51, 69, 71, 75, 85, 115, 125, 153, 207, 213, 225, 255, 345, 355, 375, 391, 425, 575, 639, 765, 1035, 1065, 1125, 1173, 1207, 1275, 1633, 1725, 1775, 1955, 2125, 2875, 3195, 3519, 3621, 3825, 4899, 5175, 5325, 5865, 6035, 6375, 8165, 8625, 8875, 9775, 10863, 14697, 15975, 17595, 18105, 19125, 24495, 25875, 26625, 27761, 29325, 30175, 40825, 48875, 54315, 73485, 79875, 83283, 87975, 90525, 122475, 138805, 146625, 150875, 204125, 249849, 271575, 367425, 416415, 439875, 452625, 612375, 694025, 1249245, 1357875, 1837125, 2082075, 3470125, 6246225, 10410375, 31231125]

約数ペア:

[(1, 31231125), (3, 10410375), (5, 6246225), (9, 3470125), (15, 2082075), (17, 1837125), (23, 1357875), (25, 1249245), (45, 694025), (51, 612375), (69, 452625), (71, 439875), (75, 416415), (85, 367425), (115, 271575), (125, 249849), (153, 204125), (207, 150875), (213, 146625), (225, 138805), (255, 122475), (345, 90525), (355, 87975), (375, 83283), (391, 79875), (425, 73485), (575, 54315), (639, 48875), (765, 40825), (1035, 30175), (1065, 29325), (1125, 27761), (1173, 26625), (1207, 25875), (1275, 24495), (1633, 19125), (1725, 18105), (1775, 17595), (1955, 15975), (2125, 14697), (2875, 10863), (3195, 9775), (3519, 8875), (3621, 8625), (3825, 8165), (4899, 6375), (5175, 6035), (5325, 5865)]