261822375

素因数分解:

$3^4\times 5^3\times {\mathrm{19}}^1\times {\mathrm{1361}}^1$

素因数の和:1407

約数の個数: 80

約数和(自身を含む): 514182240

約数和(自身を除く): 252359865

約数列:

[1, 3, 5, 9, 15, 19, 25, 27, 45, 57, 75, 81, 95, 125, 135, 171, 225, 285, 375, 405, 475, 513, 675, 855, 1125, 1361, 1425, 1539, 2025, 2375, 2565, 3375, 4083, 4275, 6805, 7125, 7695, 10125, 12249, 12825, 20415, 21375, 25859, 34025, 36747, 38475, 61245, 64125, 77577, 102075, 110241, 129295, 170125, 183735, 192375, 232731, 306225, 387885, 510375, 551205, 646475, 698193, 918675, 1163655, 1531125, 1939425, 2094579, 2756025, 3232375, 3490965, 4593375, 5818275, 9697125, 10472895, 13780125, 17454825, 29091375, 52364475, 87274125, 261822375]

約数ペア:

[(1, 261822375), (3, 87274125), (5, 52364475), (9, 29091375), (15, 17454825), (19, 13780125), (25, 10472895), (27, 9697125), (45, 5818275), (57, 4593375), (75, 3490965), (81, 3232375), (95, 2756025), (125, 2094579), (135, 1939425), (171, 1531125), (225, 1163655), (285, 918675), (375, 698193), (405, 646475), (475, 551205), (513, 510375), (675, 387885), (855, 306225), (1125, 232731), (1361, 192375), (1425, 183735), (1539, 170125), (2025, 129295), (2375, 110241), (2565, 102075), (3375, 77577), (4083, 64125), (4275, 61245), (6805, 38475), (7125, 36747), (7695, 34025), (10125, 25859), (12249, 21375), (12825, 20415)]