16178805

素因数分解:

$3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:171

約数の個数: 64

約数和(自身を含む): 30643200

約数和(自身を除く): 14464395

約数列:

[1, 3, 5, 9, 15, 27, 37, 41, 45, 79, 111, 123, 135, 185, 205, 237, 333, 369, 395, 555, 615, 711, 999, 1107, 1185, 1517, 1665, 1845, 2133, 2923, 3239, 3555, 4551, 4995, 5535, 7585, 8769, 9717, 10665, 13653, 14615, 16195, 22755, 26307, 29151, 40959, 43845, 48585, 68265, 78921, 87453, 119843, 131535, 145755, 204795, 359529, 394605, 437265, 599215, 1078587, 1797645, 3235761, 5392935, 16178805]

約数ペア:

[(1, 16178805), (3, 5392935), (5, 3235761), (9, 1797645), (15, 1078587), (27, 599215), (37, 437265), (41, 394605), (45, 359529), (79, 204795), (111, 145755), (123, 131535), (135, 119843), (185, 87453), (205, 78921), (237, 68265), (333, 48585), (369, 43845), (395, 40959), (555, 29151), (615, 26307), (711, 22755), (999, 16195), (1107, 14615), (1185, 13653), (1517, 10665), (1665, 9717), (1845, 8769), (2133, 7585), (2923, 5535), (3239, 4995), (3555, 4551)]