221990625

素因数分解:

$3^4\times 5^5\times {\mathrm{877}}^1$

素因数の和:914

約数の個数: 60

約数和(自身を含む): 414965628

約数和(自身を除く): 192975003

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 125, 135, 225, 375, 405, 625, 675, 877, 1125, 1875, 2025, 2631, 3125, 3375, 4385, 5625, 7893, 9375, 10125, 13155, 16875, 21925, 23679, 28125, 39465, 50625, 65775, 71037, 84375, 109625, 118395, 197325, 253125, 328875, 355185, 548125, 591975, 986625, 1644375, 1775925, 2740625, 2959875, 4933125, 8221875, 8879625, 14799375, 24665625, 44398125, 73996875, 221990625]

約数ペア:

[(1, 221990625), (3, 73996875), (5, 44398125), (9, 24665625), (15, 14799375), (25, 8879625), (27, 8221875), (45, 4933125), (75, 2959875), (81, 2740625), (125, 1775925), (135, 1644375), (225, 986625), (375, 591975), (405, 548125), (625, 355185), (675, 328875), (877, 253125), (1125, 197325), (1875, 118395), (2025, 109625), (2631, 84375), (3125, 71037), (3375, 65775), (4385, 50625), (5625, 39465), (7893, 28125), (9375, 23679), (10125, 21925), (13155, 16875)]