25892307

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{223}}^1$

素因数の和:352

約数の個数: 48

約数和(自身を含む): 45660160

約数和(自身を除く): 19767853

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 97, 133, 171, 223, 291, 399, 669, 679, 873, 1197, 1561, 1843, 2007, 2037, 4237, 4683, 5529, 6111, 12711, 12901, 14049, 16587, 21631, 29659, 38133, 38703, 64893, 88977, 116109, 151417, 194679, 266931, 410989, 454251, 1232967, 1362753, 2876923, 3698901, 8630769, 25892307]

約数ペア:

[(1, 25892307), (3, 8630769), (7, 3698901), (9, 2876923), (19, 1362753), (21, 1232967), (57, 454251), (63, 410989), (97, 266931), (133, 194679), (171, 151417), (223, 116109), (291, 88977), (399, 64893), (669, 38703), (679, 38133), (873, 29659), (1197, 21631), (1561, 16587), (1843, 14049), (2007, 12901), (2037, 12711), (4237, 6111), (4683, 5529)]