155481915

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{293}}^1\times {\mathrm{2081}}^1$

素因数の和:2399

約数の個数: 32

約数和(自身を含む): 264430656

約数和(自身を除く): 108948741

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 293, 879, 1465, 2081, 4395, 4981, 6243, 10405, 14943, 24905, 31215, 35377, 74715, 106131, 176885, 530655, 609733, 1829199, 3048665, 9145995, 10365461, 31096383, 51827305, 155481915]

約数ペア:

[(1, 155481915), (3, 51827305), (5, 31096383), (15, 10365461), (17, 9145995), (51, 3048665), (85, 1829199), (255, 609733), (293, 530655), (879, 176885), (1465, 106131), (2081, 74715), (4395, 35377), (4981, 31215), (6243, 24905), (10405, 14943)]