25595271

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{223}}^1$

素因数の和:357

約数の個数: 40

約数和(自身を含む): 41740160

約数和(自身を除く): 16144889

約数列:

[1, 3, 9, 13, 27, 39, 81, 109, 117, 223, 327, 351, 669, 981, 1053, 1417, 2007, 2899, 2943, 4251, 6021, 8697, 8829, 12753, 18063, 24307, 26091, 38259, 72921, 78273, 114777, 218763, 234819, 315991, 656289, 947973, 1968867, 2843919, 8531757, 25595271]

約数ペア:

[(1, 25595271), (3, 8531757), (9, 2843919), (13, 1968867), (27, 947973), (39, 656289), (81, 315991), (109, 234819), (117, 218763), (223, 114777), (327, 78273), (351, 72921), (669, 38259), (981, 26091), (1053, 24307), (1417, 18063), (2007, 12753), (2899, 8829), (2943, 8697), (4251, 6021)]