223309807

素因数分解:

$7^4\times {\mathrm{17}}^1\times {\mathrm{5471}}^1$

素因数の和:5516

約数の個数: 20

約数和(自身を含む): 275887296

約数和(自身を除く): 52577489

約数列:

[1, 7, 17, 49, 119, 343, 833, 2401, 5471, 5831, 38297, 40817, 93007, 268079, 651049, 1876553, 4557343, 13135871, 31901401, 223309807]

約数ペア:

[(1, 223309807), (7, 31901401), (17, 13135871), (49, 4557343), (119, 1876553), (343, 651049), (833, 268079), (2401, 93007), (5471, 40817), (5831, 38297)]