28789005

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{487}}^1\times {\mathrm{563}}^1$

素因数の和:1065

約数の個数: 32

約数和(自身を含む): 52844544

約数和(自身を除く): 24055539

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 487, 563, 1461, 1689, 2435, 2815, 3409, 3941, 7305, 8445, 10227, 11823, 17045, 19705, 51135, 59115, 274181, 822543, 1370905, 1919267, 4112715, 5757801, 9596335, 28789005]

約数ペア:

[(1, 28789005), (3, 9596335), (5, 5757801), (7, 4112715), (15, 1919267), (21, 1370905), (35, 822543), (105, 274181), (487, 59115), (563, 51135), (1461, 19705), (1689, 17045), (2435, 11823), (2815, 10227), (3409, 8445), (3941, 7305)]