28000479

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{269}}^1$

素因数の和:459

約数の個数: 32

約数和(自身を含む): 43001280

約数和(自身を除く): 15000801

約数列:

[1, 3, 13, 17, 39, 51, 157, 221, 269, 471, 663, 807, 2041, 2669, 3497, 4573, 6123, 8007, 10491, 13719, 34697, 42233, 59449, 104091, 126699, 178347, 549029, 717961, 1647087, 2153883, 9333493, 28000479]

約数ペア:

[(1, 28000479), (3, 9333493), (13, 2153883), (17, 1647087), (39, 717961), (51, 549029), (157, 178347), (221, 126699), (269, 104091), (471, 59449), (663, 42233), (807, 34697), (2041, 13719), (2669, 10491), (3497, 8007), (4573, 6123)]