215412639

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{83}}^1\times {\mathrm{5119}}^1$

素因数の和:5231

約数の個数: 24

約数和(自身を含む): 314818560

約数和(自身を除く): 99405921

約数列:

[1, 3, 13, 39, 83, 169, 249, 507, 1079, 3237, 5119, 14027, 15357, 42081, 66547, 199641, 424877, 865111, 1274631, 2595333, 5523401, 16570203, 71804213, 215412639]

約数ペア:

[(1, 215412639), (3, 71804213), (13, 16570203), (39, 5523401), (83, 2595333), (169, 1274631), (249, 865111), (507, 424877), (1079, 199641), (3237, 66547), (5119, 42081), (14027, 15357)]