157172778

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{415801}}^1$

素因数の和:415819

約数の個数: 32

約数和(自身を含む): 399169920

約数和(自身を除く): 241997142

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 415801, 831602, 1247403, 2494806, 2910607, 3742209, 5821214, 7484418, 8731821, 11226627, 17463642, 22453254, 26195463, 52390926, 78586389, 157172778]

約数ペア:

[(1, 157172778), (2, 78586389), (3, 52390926), (6, 26195463), (7, 22453254), (9, 17463642), (14, 11226627), (18, 8731821), (21, 7484418), (27, 5821214), (42, 3742209), (54, 2910607), (63, 2494806), (126, 1247403), (189, 831602), (378, 415801)]