25740819

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{151}}^1$

素因数の和:248

約数の個数: 48

約数和(自身を含む): 42491904

約数和(自身を除く): 16751085

約数列:

[1, 3, 9, 13, 31, 39, 47, 93, 117, 141, 151, 279, 403, 423, 453, 611, 1209, 1359, 1457, 1833, 1963, 3627, 4371, 4681, 5499, 5889, 7097, 13113, 14043, 17667, 18941, 21291, 42129, 56823, 60853, 63873, 92261, 170469, 182559, 220007, 276783, 547677, 660021, 830349, 1980063, 2860091, 8580273, 25740819]

約数ペア:

[(1, 25740819), (3, 8580273), (9, 2860091), (13, 1980063), (31, 830349), (39, 660021), (47, 547677), (93, 276783), (117, 220007), (141, 182559), (151, 170469), (279, 92261), (403, 63873), (423, 60853), (453, 56823), (611, 42129), (1209, 21291), (1359, 18941), (1457, 17667), (1833, 14043), (1963, 13113), (3627, 7097), (4371, 5889), (4681, 5499)]