55215675

素因数分解:

$3^5\times 5^2\times {\mathrm{61}}^1\times {\mathrm{149}}^1$

素因数の和:235

約数の個数: 72

約数和(自身を含む): 104941200

約数和(自身を除く): 49725525

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 61, 75, 81, 135, 149, 183, 225, 243, 305, 405, 447, 549, 675, 745, 915, 1215, 1341, 1525, 1647, 2025, 2235, 2745, 3725, 4023, 4575, 4941, 6075, 6705, 8235, 9089, 11175, 12069, 13725, 14823, 20115, 24705, 27267, 33525, 36207, 41175, 45445, 60345, 74115, 81801, 100575, 123525, 136335, 181035, 227225, 245403, 301725, 370575, 409005, 681675, 736209, 905175, 1227015, 2045025, 2208627, 3681045, 6135075, 11043135, 18405225, 55215675]

約数ペア:

[(1, 55215675), (3, 18405225), (5, 11043135), (9, 6135075), (15, 3681045), (25, 2208627), (27, 2045025), (45, 1227015), (61, 905175), (75, 736209), (81, 681675), (135, 409005), (149, 370575), (183, 301725), (225, 245403), (243, 227225), (305, 181035), (405, 136335), (447, 123525), (549, 100575), (675, 81801), (745, 74115), (915, 60345), (1215, 45445), (1341, 41175), (1525, 36207), (1647, 33525), (2025, 27267), (2235, 24705), (2745, 20115), (3725, 14823), (4023, 13725), (4575, 12069), (4941, 11175), (6075, 9089), (6705, 8235)]