178109631

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{40973}}^1$

素因数の和:41012

約数の個数: 32

約数和(自身を含む): 314680320

約数和(自身を除く): 136570689

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 161, 189, 207, 483, 621, 1449, 4347, 40973, 122919, 286811, 368757, 860433, 942379, 1106271, 2581299, 2827137, 6596653, 7743897, 8481411, 19789959, 25444233, 59369877, 178109631]

約数ペア:

[(1, 178109631), (3, 59369877), (7, 25444233), (9, 19789959), (21, 8481411), (23, 7743897), (27, 6596653), (63, 2827137), (69, 2581299), (161, 1106271), (189, 942379), (207, 860433), (483, 368757), (621, 286811), (1449, 122919), (4347, 40973)]