25276509

素因数分解:

$3^3\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{149}}^1$

素因数の和:322

約数の個数: 32

約数和(自身を含む): 38688000

約数和(自身を除く): 13411491

約数列:

[1, 3, 9, 27, 61, 103, 149, 183, 309, 447, 549, 927, 1341, 1647, 2781, 4023, 6283, 9089, 15347, 18849, 27267, 46041, 56547, 81801, 138123, 169641, 245403, 414369, 936167, 2808501, 8425503, 25276509]

約数ペア:

[(1, 25276509), (3, 8425503), (9, 2808501), (27, 936167), (61, 414369), (103, 245403), (149, 169641), (183, 138123), (309, 81801), (447, 56547), (549, 46041), (927, 27267), (1341, 18849), (1647, 15347), (2781, 9089), (4023, 6283)]