68987625

素因数分解:

$3^1\times 5^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{641}}^1$

素因数の和:707

約数の個数: 64

約数和(自身を含む): 134604288

約数和(自身を除く): 65616663

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 41, 75, 105, 123, 125, 175, 205, 287, 375, 525, 615, 641, 861, 875, 1025, 1435, 1923, 2625, 3075, 3205, 4305, 4487, 5125, 7175, 9615, 13461, 15375, 16025, 21525, 22435, 26281, 35875, 48075, 67305, 78843, 80125, 107625, 112175, 131405, 183967, 240375, 336525, 394215, 551901, 560875, 657025, 919835, 1682625, 1971075, 2759505, 3285125, 4599175, 9855375, 13797525, 22995875, 68987625]

約数ペア:

[(1, 68987625), (3, 22995875), (5, 13797525), (7, 9855375), (15, 4599175), (21, 3285125), (25, 2759505), (35, 1971075), (41, 1682625), (75, 919835), (105, 657025), (123, 560875), (125, 551901), (175, 394215), (205, 336525), (287, 240375), (375, 183967), (525, 131405), (615, 112175), (641, 107625), (861, 80125), (875, 78843), (1025, 67305), (1435, 48075), (1923, 35875), (2625, 26281), (3075, 22435), (3205, 21525), (4305, 16025), (4487, 15375), (5125, 13461), (7175, 9615)]