42193557

素因数分解:

$3^2\times 7^2\times {\mathrm{241}}^1\times {\mathrm{397}}^1$

素因数の和:658

約数の個数: 36

約数和(自身を含む): 71370156

約数和(自身を除く): 29176599

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 241, 397, 441, 723, 1191, 1687, 2169, 2779, 3573, 5061, 8337, 11809, 15183, 19453, 25011, 35427, 58359, 95677, 106281, 175077, 287031, 669739, 861093, 2009217, 4688173, 6027651, 14064519, 42193557]

約数ペア:

[(1, 42193557), (3, 14064519), (7, 6027651), (9, 4688173), (21, 2009217), (49, 861093), (63, 669739), (147, 287031), (241, 175077), (397, 106281), (441, 95677), (723, 58359), (1191, 35427), (1687, 25011), (2169, 19453), (2779, 15183), (3573, 11809), (5061, 8337)]