71961075

素因数分解:

$3^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1$

素因数の和:250

約数の個数: 96

約数和(自身を含む): 144435200

約数和(自身を除く): 72474125

約数列:

[1, 3, 5, 9, 15, 19, 25, 27, 31, 45, 57, 75, 93, 95, 135, 155, 171, 181, 225, 279, 285, 465, 475, 513, 543, 589, 675, 775, 837, 855, 905, 1395, 1425, 1629, 1767, 2325, 2565, 2715, 2945, 3439, 4185, 4275, 4525, 4887, 5301, 5611, 6975, 8145, 8835, 10317, 12825, 13575, 14725, 15903, 16833, 17195, 20925, 24435, 26505, 28055, 30951, 40725, 44175, 50499, 51585, 79515, 84165, 85975, 92853, 106609, 122175, 132525, 140275, 151497, 154755, 252495, 257925, 319827, 397575, 420825, 464265, 533045, 757485, 773775, 959481, 1262475, 1599135, 2321325, 2665225, 2878443, 3787425, 4797405, 7995675, 14392215, 23987025, 71961075]

約数ペア:

[(1, 71961075), (3, 23987025), (5, 14392215), (9, 7995675), (15, 4797405), (19, 3787425), (25, 2878443), (27, 2665225), (31, 2321325), (45, 1599135), (57, 1262475), (75, 959481), (93, 773775), (95, 757485), (135, 533045), (155, 464265), (171, 420825), (181, 397575), (225, 319827), (279, 257925), (285, 252495), (465, 154755), (475, 151497), (513, 140275), (543, 132525), (589, 122175), (675, 106609), (775, 92853), (837, 85975), (855, 84165), (905, 79515), (1395, 51585), (1425, 50499), (1629, 44175), (1767, 40725), (2325, 30951), (2565, 28055), (2715, 26505), (2945, 24435), (3439, 20925), (4185, 17195), (4275, 16833), (4525, 15903), (4887, 14725), (5301, 13575), (5611, 12825), (6975, 10317), (8145, 8835)]