127831755

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{157}}^1$

素因数の和:316

約数の個数: 64

約数和(自身を含む): 227155968

約数和(自身を除く): 99324213

約数列:

[1, 3, 5, 15, 17, 31, 51, 85, 93, 103, 155, 157, 255, 309, 465, 471, 515, 527, 785, 1545, 1581, 1751, 2355, 2635, 2669, 3193, 4867, 5253, 7905, 8007, 8755, 9579, 13345, 14601, 15965, 16171, 24335, 26265, 40035, 47895, 48513, 54281, 73005, 80855, 82739, 162843, 242565, 248217, 271405, 274907, 413695, 501301, 814215, 824721, 1241085, 1374535, 1503903, 2506505, 4123605, 7519515, 8522117, 25566351, 42610585, 127831755]

約数ペア:

[(1, 127831755), (3, 42610585), (5, 25566351), (15, 8522117), (17, 7519515), (31, 4123605), (51, 2506505), (85, 1503903), (93, 1374535), (103, 1241085), (155, 824721), (157, 814215), (255, 501301), (309, 413695), (465, 274907), (471, 271405), (515, 248217), (527, 242565), (785, 162843), (1545, 82739), (1581, 80855), (1751, 73005), (2355, 54281), (2635, 48513), (2669, 47895), (3193, 40035), (4867, 26265), (5253, 24335), (7905, 16171), (8007, 15965), (8755, 14601), (9579, 13345)]