25196925

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{601}}^1$

素因数の和:670

約数の個数: 48

約数和(自身を含む): 45983168

約数和(自身を除く): 20786243

約数列:

[1, 3, 5, 13, 15, 25, 39, 43, 65, 75, 129, 195, 215, 325, 559, 601, 645, 975, 1075, 1677, 1803, 2795, 3005, 3225, 7813, 8385, 9015, 13975, 15025, 23439, 25843, 39065, 41925, 45075, 77529, 117195, 129215, 195325, 335959, 387645, 585975, 646075, 1007877, 1679795, 1938225, 5039385, 8398975, 25196925]

約数ペア:

[(1, 25196925), (3, 8398975), (5, 5039385), (13, 1938225), (15, 1679795), (25, 1007877), (39, 646075), (43, 585975), (65, 387645), (75, 335959), (129, 195325), (195, 129215), (215, 117195), (325, 77529), (559, 45075), (601, 41925), (645, 39065), (975, 25843), (1075, 23439), (1677, 15025), (1803, 13975), (2795, 9015), (3005, 8385), (3225, 7813)]