28335495

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1\times {\mathrm{223}}^1$

素因数の和:471

約数の個数: 32

約数和(自身を含む): 46835712

約数和(自身を除く): 18500217

約数列:

[1, 3, 5, 15, 43, 129, 197, 215, 223, 591, 645, 669, 985, 1115, 2955, 3345, 8471, 9589, 25413, 28767, 42355, 43931, 47945, 127065, 131793, 143835, 219655, 658965, 1889033, 5667099, 9445165, 28335495]

約数ペア:

[(1, 28335495), (3, 9445165), (5, 5667099), (15, 1889033), (43, 658965), (129, 219655), (197, 143835), (215, 131793), (223, 127065), (591, 47945), (645, 43931), (669, 42355), (985, 28767), (1115, 25413), (2955, 9589), (3345, 8471)]