149286945

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1$

素因数の和:306

約数の個数: 64

約数和(自身を含む): 263450880

約数和(自身を除く): 114163935

約数列:

[1, 3, 5, 15, 17, 41, 51, 85, 109, 123, 131, 205, 255, 327, 393, 545, 615, 655, 697, 1635, 1853, 1965, 2091, 2227, 3485, 4469, 5371, 5559, 6681, 9265, 10455, 11135, 13407, 14279, 16113, 22345, 26855, 27795, 33405, 42837, 67035, 71395, 75973, 80565, 91307, 214185, 227919, 242743, 273921, 379865, 456535, 585439, 728229, 1139595, 1213715, 1369605, 1756317, 2927195, 3641145, 8781585, 9952463, 29857389, 49762315, 149286945]

約数ペア:

[(1, 149286945), (3, 49762315), (5, 29857389), (15, 9952463), (17, 8781585), (41, 3641145), (51, 2927195), (85, 1756317), (109, 1369605), (123, 1213715), (131, 1139595), (205, 728229), (255, 585439), (327, 456535), (393, 379865), (545, 273921), (615, 242743), (655, 227919), (697, 214185), (1635, 91307), (1853, 80565), (1965, 75973), (2091, 71395), (2227, 67035), (3485, 42837), (4469, 33405), (5371, 27795), (5559, 26855), (6681, 22345), (9265, 16113), (10455, 14279), (11135, 13407)]