220415217

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{331}}^1\times {\mathrm{1187}}^1$

素因数の和:1549

約数の個数: 32

約数和(自身を含む): 340775424

約数和(自身を除く): 120360207

約数列:

[1, 3, 11, 17, 33, 51, 187, 331, 561, 993, 1187, 3561, 3641, 5627, 10923, 13057, 16881, 20179, 39171, 60537, 61897, 185691, 221969, 392897, 665907, 1178691, 4321867, 6679249, 12965601, 20037747, 73471739, 220415217]

約数ペア:

[(1, 220415217), (3, 73471739), (11, 20037747), (17, 12965601), (33, 6679249), (51, 4321867), (187, 1178691), (331, 665907), (561, 392897), (993, 221969), (1187, 185691), (3561, 61897), (3641, 60537), (5627, 39171), (10923, 20179), (13057, 16881)]