72048015

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{673}}^1$

素因数の和:761

約数の個数: 64

約数和(自身を含む): 140407680

約数和(自身を除く): 68359665

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 61, 65, 117, 135, 183, 195, 305, 351, 549, 585, 673, 793, 915, 1647, 1755, 2019, 2379, 2745, 3365, 3965, 6057, 7137, 8235, 8749, 10095, 11895, 18171, 21411, 26247, 30285, 35685, 41053, 43745, 78741, 90855, 107055, 123159, 131235, 205265, 236223, 369477, 393705, 533689, 615795, 1108431, 1181115, 1601067, 1847385, 2668445, 4803201, 5542155, 8005335, 14409603, 24016005, 72048015]

約数ペア:

[(1, 72048015), (3, 24016005), (5, 14409603), (9, 8005335), (13, 5542155), (15, 4803201), (27, 2668445), (39, 1847385), (45, 1601067), (61, 1181115), (65, 1108431), (117, 615795), (135, 533689), (183, 393705), (195, 369477), (305, 236223), (351, 205265), (549, 131235), (585, 123159), (673, 107055), (793, 90855), (915, 78741), (1647, 43745), (1755, 41053), (2019, 35685), (2379, 30285), (2745, 26247), (3365, 21411), (3965, 18171), (6057, 11895), (7137, 10095), (8235, 8749)]