87348009

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{1423}}^1$

素因数の和:1549

約数の個数: 32

約数和(自身を含む): 138526720

約数和(自身を除く): 51178711

約数列:

[1, 3, 7, 21, 37, 79, 111, 237, 259, 553, 777, 1423, 1659, 2923, 4269, 8769, 9961, 20461, 29883, 52651, 61383, 112417, 157953, 337251, 368557, 786919, 1105671, 2360757, 4159429, 12478287, 29116003, 87348009]

約数ペア:

[(1, 87348009), (3, 29116003), (7, 12478287), (21, 4159429), (37, 2360757), (79, 1105671), (111, 786919), (237, 368557), (259, 337251), (553, 157953), (777, 112417), (1423, 61383), (1659, 52651), (2923, 29883), (4269, 20461), (8769, 9961)]