211580355

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{281}}^1$

素因数の和:468

約数の個数: 64

約数和(自身を含む): 397633536

約数和(自身を除く): 186053181

約数列:

[1, 3, 5, 7, 15, 21, 35, 71, 101, 105, 213, 281, 303, 355, 497, 505, 707, 843, 1065, 1405, 1491, 1515, 1967, 2121, 2485, 3535, 4215, 5901, 7171, 7455, 9835, 10605, 19951, 21513, 28381, 29505, 35855, 50197, 59853, 85143, 99755, 107565, 139657, 141905, 150591, 198667, 250985, 299265, 418971, 425715, 596001, 698285, 752955, 993335, 2015051, 2094855, 2980005, 6045153, 10075255, 14105357, 30225765, 42316071, 70526785, 211580355]

約数ペア:

[(1, 211580355), (3, 70526785), (5, 42316071), (7, 30225765), (15, 14105357), (21, 10075255), (35, 6045153), (71, 2980005), (101, 2094855), (105, 2015051), (213, 993335), (281, 752955), (303, 698285), (355, 596001), (497, 425715), (505, 418971), (707, 299265), (843, 250985), (1065, 198667), (1405, 150591), (1491, 141905), (1515, 139657), (1967, 107565), (2121, 99755), (2485, 85143), (3535, 59853), (4215, 50197), (5901, 35855), (7171, 29505), (7455, 28381), (9835, 21513), (10605, 19951)]