28477881

素因数分解:

$3^2\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{569}}^1$

素因数の和:725

約数の個数: 24

約数和(自身を含む): 42325920

約数和(自身を除く): 13848039

約数列:

[1, 3, 9, 67, 83, 201, 249, 569, 603, 747, 1707, 5121, 5561, 16683, 38123, 47227, 50049, 114369, 141681, 343107, 425043, 3164209, 9492627, 28477881]

約数ペア:

[(1, 28477881), (3, 9492627), (9, 3164209), (67, 425043), (83, 343107), (201, 141681), (249, 114369), (569, 50049), (603, 47227), (747, 38123), (1707, 16683), (5121, 5561)]