66541425

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{439}}^1$

素因数の和:542

約数の個数: 48

約数和(自身を含む): 115230720

約数和(自身を除く): 48689295

約数列:

[1, 3, 5, 15, 25, 43, 47, 75, 129, 141, 215, 235, 439, 645, 705, 1075, 1175, 1317, 2021, 2195, 3225, 3525, 6063, 6585, 10105, 10975, 18877, 20633, 30315, 32925, 50525, 56631, 61899, 94385, 103165, 151575, 283155, 309495, 471925, 515825, 887219, 1415775, 1547475, 2661657, 4436095, 13308285, 22180475, 66541425]

約数ペア:

[(1, 66541425), (3, 22180475), (5, 13308285), (15, 4436095), (25, 2661657), (43, 1547475), (47, 1415775), (75, 887219), (129, 515825), (141, 471925), (215, 309495), (235, 283155), (439, 151575), (645, 103165), (705, 94385), (1075, 61899), (1175, 56631), (1317, 50525), (2021, 32925), (2195, 30315), (3225, 20633), (3525, 18877), (6063, 10975), (6585, 10105)]