61871355

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{521}}^1$

素因数の和:581

約数の個数: 96

約数和(自身を含む): 136805760

約数和(自身を除く): 74934405

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 29, 35, 39, 45, 63, 65, 87, 91, 105, 117, 145, 195, 203, 261, 273, 315, 377, 435, 455, 521, 585, 609, 819, 1015, 1131, 1305, 1365, 1563, 1827, 1885, 2605, 2639, 3045, 3393, 3647, 4095, 4689, 5655, 6773, 7815, 7917, 9135, 10941, 13195, 15109, 16965, 18235, 20319, 23445, 23751, 32823, 33865, 39585, 45327, 47411, 54705, 60957, 75545, 101595, 105763, 118755, 135981, 142233, 164115, 196417, 226635, 237055, 304785, 317289, 426699, 528815, 589251, 679905, 711165, 951867, 982085, 1374919, 1586445, 1767753, 2133495, 2946255, 4124757, 4759335, 6874595, 8838765, 12374271, 20623785, 61871355]

約数ペア:

[(1, 61871355), (3, 20623785), (5, 12374271), (7, 8838765), (9, 6874595), (13, 4759335), (15, 4124757), (21, 2946255), (29, 2133495), (35, 1767753), (39, 1586445), (45, 1374919), (63, 982085), (65, 951867), (87, 711165), (91, 679905), (105, 589251), (117, 528815), (145, 426699), (195, 317289), (203, 304785), (261, 237055), (273, 226635), (315, 196417), (377, 164115), (435, 142233), (455, 135981), (521, 118755), (585, 105763), (609, 101595), (819, 75545), (1015, 60957), (1131, 54705), (1305, 47411), (1365, 45327), (1563, 39585), (1827, 33865), (1885, 32823), (2605, 23751), (2639, 23445), (3045, 20319), (3393, 18235), (3647, 16965), (4095, 15109), (4689, 13195), (5655, 10941), (6773, 9135), (7815, 7917)]