331878141

素因数分解:

$3^4\times 7^1\times {\mathrm{281}}^1\times {\mathrm{2083}}^1$

素因数の和:2383

約数の個数: 40

約数和(自身を含む): 568881984

約数和(自身を除く): 237003843

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 281, 567, 843, 1967, 2083, 2529, 5901, 6249, 7587, 14581, 17703, 18747, 22761, 43743, 53109, 56241, 131229, 159327, 168723, 393687, 585323, 1181061, 1755969, 4097261, 5267907, 12291783, 15803721, 36875349, 47411163, 110626047, 331878141]

約数ペア:

[(1, 331878141), (3, 110626047), (7, 47411163), (9, 36875349), (21, 15803721), (27, 12291783), (63, 5267907), (81, 4097261), (189, 1755969), (281, 1181061), (567, 585323), (843, 393687), (1967, 168723), (2083, 159327), (2529, 131229), (5901, 56241), (6249, 53109), (7587, 43743), (14581, 22761), (17703, 18747)]