217173705

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{4733}}^1$

素因数の和:4790

約数の個数: 64

約数和(自身を含む): 436285440

約数和(自身を除く): 219111735

約数列:

[1, 3, 5, 7, 15, 19, 21, 23, 35, 57, 69, 95, 105, 115, 133, 161, 285, 345, 399, 437, 483, 665, 805, 1311, 1995, 2185, 2415, 3059, 4733, 6555, 9177, 14199, 15295, 23665, 33131, 45885, 70995, 89927, 99393, 108859, 165655, 269781, 326577, 449635, 496965, 544295, 629489, 762013, 1348905, 1632885, 1888467, 2068321, 2286039, 3147445, 3810065, 6204963, 9442335, 10341605, 11430195, 14478247, 31024815, 43434741, 72391235, 217173705]

約数ペア:

[(1, 217173705), (3, 72391235), (5, 43434741), (7, 31024815), (15, 14478247), (19, 11430195), (21, 10341605), (23, 9442335), (35, 6204963), (57, 3810065), (69, 3147445), (95, 2286039), (105, 2068321), (115, 1888467), (133, 1632885), (161, 1348905), (285, 762013), (345, 629489), (399, 544295), (437, 496965), (483, 449635), (665, 326577), (805, 269781), (1311, 165655), (1995, 108859), (2185, 99393), (2415, 89927), (3059, 70995), (4733, 45885), (6555, 33131), (9177, 23665), (14199, 15295)]