7815015

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:161

約数の個数: 64

約数和(自身を含む): 15415680

約数和(自身を除く): 7600665

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 61, 65, 73, 117, 135, 183, 195, 219, 305, 351, 365, 549, 585, 657, 793, 915, 949, 1095, 1647, 1755, 1971, 2379, 2745, 2847, 3285, 3965, 4453, 4745, 7137, 8235, 8541, 9855, 11895, 13359, 14235, 21411, 22265, 25623, 35685, 40077, 42705, 57889, 66795, 107055, 120231, 128115, 173667, 200385, 289445, 521001, 601155, 868335, 1563003, 2605005, 7815015]

約数ペア:

[(1, 7815015), (3, 2605005), (5, 1563003), (9, 868335), (13, 601155), (15, 521001), (27, 289445), (39, 200385), (45, 173667), (61, 128115), (65, 120231), (73, 107055), (117, 66795), (135, 57889), (183, 42705), (195, 40077), (219, 35685), (305, 25623), (351, 22265), (365, 21411), (549, 14235), (585, 13359), (657, 11895), (793, 9855), (915, 8541), (949, 8235), (1095, 7137), (1647, 4745), (1755, 4453), (1971, 3965), (2379, 3285), (2745, 2847)]