28701405

素因数分解:

$3^3\times 5^1\times {\mathrm{433}}^1\times {\mathrm{491}}^1$

素因数の和:938

約数の個数: 32

約数和(自身を含む): 51246720

約数和(自身を除く): 22545315

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 433, 491, 1299, 1473, 2165, 2455, 3897, 4419, 6495, 7365, 11691, 13257, 19485, 22095, 58455, 66285, 212603, 637809, 1063015, 1913427, 3189045, 5740281, 9567135, 28701405]

約数ペア:

[(1, 28701405), (3, 9567135), (5, 5740281), (9, 3189045), (15, 1913427), (27, 1063015), (45, 637809), (135, 212603), (433, 66285), (491, 58455), (1299, 22095), (1473, 19485), (2165, 13257), (2455, 11691), (3897, 7365), (4419, 6495)]