12787965

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1$

素因数の和:234

約数の個数: 48

約数和(自身を含む): 23362560

約数和(自身を除く): 10574595

約数列:

[1, 3, 5, 9, 15, 31, 45, 89, 93, 103, 155, 267, 279, 309, 445, 465, 515, 801, 927, 1335, 1395, 1545, 2759, 3193, 4005, 4635, 8277, 9167, 9579, 13795, 15965, 24831, 27501, 28737, 41385, 45835, 47895, 82503, 124155, 137505, 143685, 284177, 412515, 852531, 1420885, 2557593, 4262655, 12787965]

約数ペア:

[(1, 12787965), (3, 4262655), (5, 2557593), (9, 1420885), (15, 852531), (31, 412515), (45, 284177), (89, 143685), (93, 137505), (103, 124155), (155, 82503), (267, 47895), (279, 45835), (309, 41385), (445, 28737), (465, 27501), (515, 24831), (801, 15965), (927, 13795), (1335, 9579), (1395, 9167), (1545, 8277), (2759, 4635), (3193, 4005)]