13031625

素因数分解:

$3^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1$

素因数の和:127

約数の個数: 64

約数和(自身を含む): 23961600

約数和(自身を除く): 10929975

約数列:

[1, 3, 5, 15, 19, 25, 31, 57, 59, 75, 93, 95, 125, 155, 177, 285, 295, 375, 465, 475, 589, 775, 885, 1121, 1425, 1475, 1767, 1829, 2325, 2375, 2945, 3363, 3875, 4425, 5487, 5605, 7125, 7375, 8835, 9145, 11625, 14725, 16815, 22125, 27435, 28025, 34751, 44175, 45725, 73625, 84075, 104253, 137175, 140125, 173755, 220875, 228625, 420375, 521265, 685875, 868775, 2606325, 4343875, 13031625]

約数ペア:

[(1, 13031625), (3, 4343875), (5, 2606325), (15, 868775), (19, 685875), (25, 521265), (31, 420375), (57, 228625), (59, 220875), (75, 173755), (93, 140125), (95, 137175), (125, 104253), (155, 84075), (177, 73625), (285, 45725), (295, 44175), (375, 34751), (465, 28025), (475, 27435), (589, 22125), (775, 16815), (885, 14725), (1121, 11625), (1425, 9145), (1475, 8835), (1767, 7375), (1829, 7125), (2325, 5605), (2375, 5487), (2945, 4425), (3363, 3875)]