280604919

素因数分解:

$3^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{331}}^1$

素因数の和:500

約数の個数: 48

約数和(自身を含む): 448120320

約数和(自身を除く): 167515401

約数列:

[1, 3, 7, 21, 49, 73, 79, 147, 219, 237, 331, 511, 553, 993, 1533, 1659, 2317, 3577, 3871, 5767, 6951, 10731, 11613, 16219, 17301, 24163, 26149, 40369, 48657, 72489, 78447, 121107, 169141, 183043, 282583, 507423, 549129, 847749, 1183987, 1281301, 1908877, 3551961, 3843903, 5726631, 13362139, 40086417, 93534973, 280604919]

約数ペア:

[(1, 280604919), (3, 93534973), (7, 40086417), (21, 13362139), (49, 5726631), (73, 3843903), (79, 3551961), (147, 1908877), (219, 1281301), (237, 1183987), (331, 847749), (511, 549129), (553, 507423), (993, 282583), (1533, 183043), (1659, 169141), (2317, 121107), (3577, 78447), (3871, 72489), (5767, 48657), (6951, 40369), (10731, 26149), (11613, 24163), (16219, 17301)]