27657385

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:142

約数の個数: 64

約数和(自身を含む): 43794432

約数和(自身を除く): 16137047

約数列:

[1, 5, 7, 17, 23, 35, 43, 47, 85, 115, 119, 161, 215, 235, 301, 329, 391, 595, 731, 799, 805, 989, 1081, 1505, 1645, 1955, 2021, 2737, 3655, 3995, 4945, 5117, 5405, 5593, 6923, 7567, 10105, 13685, 14147, 16813, 18377, 25585, 27965, 34357, 34615, 37835, 46483, 70735, 84065, 91885, 117691, 128639, 171785, 232415, 240499, 325381, 588455, 643195, 790211, 1202495, 1626905, 3951055, 5531477, 27657385]

約数ペア:

[(1, 27657385), (5, 5531477), (7, 3951055), (17, 1626905), (23, 1202495), (35, 790211), (43, 643195), (47, 588455), (85, 325381), (115, 240499), (119, 232415), (161, 171785), (215, 128639), (235, 117691), (301, 91885), (329, 84065), (391, 70735), (595, 46483), (731, 37835), (799, 34615), (805, 34357), (989, 27965), (1081, 25585), (1505, 18377), (1645, 16813), (1955, 14147), (2021, 13685), (2737, 10105), (3655, 7567), (3995, 6923), (4945, 5593), (5117, 5405)]