28904295

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{5857}}^1$

素因数の和:5919

約数の個数: 32

約数和(自身を含む): 53987328

約数和(自身を除く): 25083033

約数列:

[1, 3, 5, 7, 15, 21, 35, 47, 105, 141, 235, 329, 705, 987, 1645, 4935, 5857, 17571, 29285, 40999, 87855, 122997, 204995, 275279, 614985, 825837, 1376395, 1926953, 4129185, 5780859, 9634765, 28904295]

約数ペア:

[(1, 28904295), (3, 9634765), (5, 5780859), (7, 4129185), (15, 1926953), (21, 1376395), (35, 825837), (47, 614985), (105, 275279), (141, 204995), (235, 122997), (329, 87855), (705, 40999), (987, 29285), (1645, 17571), (4935, 5857)]