18315495

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{227}}^1$

素因数の和:412

約数の個数: 48

約数和(自身を含む): 34998912

約数和(自身を除く): 16683417

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 163, 165, 227, 489, 495, 681, 815, 1135, 1467, 1793, 2043, 2445, 2497, 3405, 5379, 7335, 7491, 8965, 10215, 12485, 16137, 22473, 26895, 37001, 37455, 80685, 111003, 112365, 185005, 333009, 407011, 555015, 1221033, 1665045, 2035055, 3663099, 6105165, 18315495]

約数ペア:

[(1, 18315495), (3, 6105165), (5, 3663099), (9, 2035055), (11, 1665045), (15, 1221033), (33, 555015), (45, 407011), (55, 333009), (99, 185005), (163, 112365), (165, 111003), (227, 80685), (489, 37455), (495, 37001), (681, 26895), (815, 22473), (1135, 16137), (1467, 12485), (1793, 10215), (2043, 8965), (2445, 7491), (2497, 7335), (3405, 5379)]