72428175

素因数分解:

$3^4\times 5^2\times {\mathrm{47}}^1\times {\mathrm{761}}^1$

素因数の和:830

約数の個数: 60

約数和(自身を含む): 137196576

約数和(自身を除く): 64768401

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 47, 75, 81, 135, 141, 225, 235, 405, 423, 675, 705, 761, 1175, 1269, 2025, 2115, 2283, 3525, 3805, 3807, 6345, 6849, 10575, 11415, 19025, 19035, 20547, 31725, 34245, 35767, 57075, 61641, 95175, 102735, 107301, 171225, 178835, 308205, 321903, 513675, 536505, 894175, 965709, 1541025, 1609515, 2682525, 2897127, 4828545, 8047575, 14485635, 24142725, 72428175]

約数ペア:

[(1, 72428175), (3, 24142725), (5, 14485635), (9, 8047575), (15, 4828545), (25, 2897127), (27, 2682525), (45, 1609515), (47, 1541025), (75, 965709), (81, 894175), (135, 536505), (141, 513675), (225, 321903), (235, 308205), (405, 178835), (423, 171225), (675, 107301), (705, 102735), (761, 95175), (1175, 61641), (1269, 57075), (2025, 35767), (2115, 34245), (2283, 31725), (3525, 20547), (3805, 19035), (3807, 19025), (6345, 11415), (6849, 10575)]