28656585

素因数分解:

$3^4\times 5^1\times {\mathrm{173}}^1\times {\mathrm{409}}^1$

素因数の和:599

約数の個数: 40

約数和(自身を含む): 51792840

約数和(自身を除く): 23136255

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 173, 405, 409, 519, 865, 1227, 1557, 2045, 2595, 3681, 4671, 6135, 7785, 11043, 14013, 18405, 23355, 33129, 55215, 70065, 70757, 165645, 212271, 353785, 636813, 1061355, 1910439, 3184065, 5731317, 9552195, 28656585]

約数ペア:

[(1, 28656585), (3, 9552195), (5, 5731317), (9, 3184065), (15, 1910439), (27, 1061355), (45, 636813), (81, 353785), (135, 212271), (173, 165645), (405, 70757), (409, 70065), (519, 55215), (865, 33129), (1227, 23355), (1557, 18405), (2045, 14013), (2595, 11043), (3681, 7785), (4671, 6135)]