16555875

素因数分解:

$3^1\times 5^3\times 7^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1$

素因数の和:102

約数の個数: 96

約数和(自身を含む): 34572096

約数和(自身を除く): 18016221

約数列:

[1, 3, 5, 7, 15, 17, 21, 25, 35, 49, 51, 53, 75, 85, 105, 119, 125, 147, 159, 175, 245, 255, 265, 357, 371, 375, 425, 525, 595, 735, 795, 833, 875, 901, 1113, 1225, 1275, 1325, 1785, 1855, 2125, 2499, 2597, 2625, 2703, 2975, 3675, 3975, 4165, 4505, 5565, 6125, 6307, 6375, 6625, 7791, 8925, 9275, 12495, 12985, 13515, 14875, 18375, 18921, 19875, 20825, 22525, 27825, 31535, 38955, 44149, 44625, 46375, 62475, 64925, 67575, 94605, 104125, 112625, 132447, 139125, 157675, 194775, 220745, 312375, 324625, 337875, 473025, 662235, 788375, 973875, 1103725, 2365125, 3311175, 5518625, 16555875]

約数ペア:

[(1, 16555875), (3, 5518625), (5, 3311175), (7, 2365125), (15, 1103725), (17, 973875), (21, 788375), (25, 662235), (35, 473025), (49, 337875), (51, 324625), (53, 312375), (75, 220745), (85, 194775), (105, 157675), (119, 139125), (125, 132447), (147, 112625), (159, 104125), (175, 94605), (245, 67575), (255, 64925), (265, 62475), (357, 46375), (371, 44625), (375, 44149), (425, 38955), (525, 31535), (595, 27825), (735, 22525), (795, 20825), (833, 19875), (875, 18921), (901, 18375), (1113, 14875), (1225, 13515), (1275, 12985), (1325, 12495), (1785, 9275), (1855, 8925), (2125, 7791), (2499, 6625), (2597, 6375), (2625, 6307), (2703, 6125), (2975, 5565), (3675, 4505), (3975, 4165)]