30897855

素因数分解:

$3^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1$

素因数の和:178

約数の個数: 80

約数和(自身を含む): 60217344

約数和(自身を除く): 29319489

約数列:

[1, 3, 5, 9, 15, 23, 27, 31, 45, 69, 81, 93, 107, 115, 135, 155, 207, 279, 321, 345, 405, 465, 535, 621, 713, 837, 963, 1035, 1395, 1605, 1863, 2139, 2461, 2511, 2889, 3105, 3317, 3565, 4185, 4815, 6417, 7383, 8667, 9315, 9951, 10695, 12305, 12555, 14445, 16585, 19251, 22149, 29853, 32085, 36915, 43335, 49755, 57753, 66447, 76291, 89559, 96255, 110745, 149265, 199341, 228873, 268677, 288765, 332235, 381455, 447795, 686619, 996705, 1144365, 1343385, 2059857, 3433095, 6179571, 10299285, 30897855]

約数ペア:

[(1, 30897855), (3, 10299285), (5, 6179571), (9, 3433095), (15, 2059857), (23, 1343385), (27, 1144365), (31, 996705), (45, 686619), (69, 447795), (81, 381455), (93, 332235), (107, 288765), (115, 268677), (135, 228873), (155, 199341), (207, 149265), (279, 110745), (321, 96255), (345, 89559), (405, 76291), (465, 66447), (535, 57753), (621, 49755), (713, 43335), (837, 36915), (963, 32085), (1035, 29853), (1395, 22149), (1605, 19251), (1863, 16585), (2139, 14445), (2461, 12555), (2511, 12305), (2889, 10695), (3105, 9951), (3317, 9315), (3565, 8667), (4185, 7383), (4815, 6417)]