2974881

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{641}}^1$

素因数の和:681

約数の個数: 32

約数和(自身を含む): 5177088

約数和(自身を除く): 2202207

約数列:

[1, 3, 7, 13, 17, 21, 39, 51, 91, 119, 221, 273, 357, 641, 663, 1547, 1923, 4487, 4641, 8333, 10897, 13461, 24999, 32691, 58331, 76279, 141661, 174993, 228837, 424983, 991627, 2974881]

約数ペア:

[(1, 2974881), (3, 991627), (7, 424983), (13, 228837), (17, 174993), (21, 141661), (39, 76279), (51, 58331), (91, 32691), (119, 24999), (221, 13461), (273, 10897), (357, 8333), (641, 4641), (663, 4487), (1547, 1923)]