61357725

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1907}}^1$

素因数の和:1947

約数の個数: 72

約数和(自身を含む): 129179232

約数和(自身を除く): 67821507

約数列:

[1, 3, 5, 9, 11, 13, 15, 25, 33, 39, 45, 55, 65, 75, 99, 117, 143, 165, 195, 225, 275, 325, 429, 495, 585, 715, 825, 975, 1287, 1907, 2145, 2475, 2925, 3575, 5721, 6435, 9535, 10725, 17163, 20977, 24791, 28605, 32175, 47675, 62931, 74373, 85815, 104885, 123955, 143025, 188793, 223119, 272701, 314655, 371865, 429075, 524425, 619775, 818103, 943965, 1115595, 1363505, 1573275, 1859325, 2454309, 4090515, 4719825, 5577975, 6817525, 12271545, 20452575, 61357725]

約数ペア:

[(1, 61357725), (3, 20452575), (5, 12271545), (9, 6817525), (11, 5577975), (13, 4719825), (15, 4090515), (25, 2454309), (33, 1859325), (39, 1573275), (45, 1363505), (55, 1115595), (65, 943965), (75, 818103), (99, 619775), (117, 524425), (143, 429075), (165, 371865), (195, 314655), (225, 272701), (275, 223119), (325, 188793), (429, 143025), (495, 123955), (585, 104885), (715, 85815), (825, 74373), (975, 62931), (1287, 47675), (1907, 32175), (2145, 28605), (2475, 24791), (2925, 20977), (3575, 17163), (5721, 10725), (6435, 9535)]