179678421

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{617}}^1$

素因数の和:786

約数の個数: 48

約数和(自身を含む): 296936640

約数和(自身を除く): 117258219

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 131, 171, 247, 393, 617, 741, 1179, 1703, 1851, 2223, 2489, 5109, 5553, 7467, 8021, 11723, 15327, 22401, 24063, 32357, 35169, 72189, 80827, 97071, 105507, 152399, 242481, 291213, 457197, 727443, 1050751, 1371591, 1535713, 3152253, 4607139, 9456759, 13821417, 19964269, 59892807, 179678421]

約数ペア:

[(1, 179678421), (3, 59892807), (9, 19964269), (13, 13821417), (19, 9456759), (39, 4607139), (57, 3152253), (117, 1535713), (131, 1371591), (171, 1050751), (247, 727443), (393, 457197), (617, 291213), (741, 242481), (1179, 152399), (1703, 105507), (1851, 97071), (2223, 80827), (2489, 72189), (5109, 35169), (5553, 32357), (7467, 24063), (8021, 22401), (11723, 15327)]