31403502

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{3121}}^1$

素因数の和:3185

約数の個数: 48

約数和(自身を含む): 75002928

約数和(自身を除く): 43599426

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 43, 78, 86, 117, 129, 234, 258, 387, 559, 774, 1118, 1677, 3121, 3354, 5031, 6242, 9363, 10062, 18726, 28089, 40573, 56178, 81146, 121719, 134203, 243438, 268406, 365157, 402609, 730314, 805218, 1207827, 1744639, 2415654, 3489278, 5233917, 10467834, 15701751, 31403502]

約数ペア:

[(1, 31403502), (2, 15701751), (3, 10467834), (6, 5233917), (9, 3489278), (13, 2415654), (18, 1744639), (26, 1207827), (39, 805218), (43, 730314), (78, 402609), (86, 365157), (117, 268406), (129, 243438), (234, 134203), (258, 121719), (387, 81146), (559, 56178), (774, 40573), (1118, 28089), (1677, 18726), (3121, 10062), (3354, 9363), (5031, 6242)]