681231.0000000

素因数分解:

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

素因数の和:151

約数の個数: 48

約数和(自身を含む): 11948160

約数和(自身を除く): 5329947

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 97, 133, 171, 189, 291, 361, 399, 513, 679, 873, 1083, 1197, 1843, 2037, 2527, 2619, 3249, 3591, 5529, 6111, 7581, 9747, 12901, 16587, 18333, 22743, 35017, 38703, 49761, 68229, 105051, 116109, 245119, 315153, 348327, 735357, 945459, 2206071, 6618213]

約数ペア:

[(1, 6618213), (3, 2206071), (7, 945459), (9, 735357), (19, 348327), (21, 315153), (27, 245119), (57, 116109), (63, 105051), (97, 68229), (133, 49761), (171, 38703), (189, 35017), (291, 22743), (361, 18333), (399, 16587), (513, 12901), (679, 9747), (873, 7581), (1083, 6111), (1197, 5529), (1843, 3591), (2037, 3249), (2527, 2619)]