221510079

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{50957}}^1$

素因数の和:50996

約数の個数: 32

約数和(自身を含む): 391357440

約数和(自身を除く): 169847361

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 161, 189, 207, 483, 621, 1449, 4347, 50957, 152871, 356699, 458613, 1070097, 1172011, 1375839, 3210291, 3516033, 8204077, 9630873, 10548099, 24612231, 31644297, 73836693, 221510079]

約数ペア:

[(1, 221510079), (3, 73836693), (7, 31644297), (9, 24612231), (21, 10548099), (23, 9630873), (27, 8204077), (63, 3516033), (69, 3210291), (161, 1375839), (189, 1172011), (207, 1070097), (483, 458613), (621, 356699), (1449, 152871), (4347, 50957)]