221635395

素因数分解:

$3^2\times 5^1\times {\mathrm{1231}}^1\times {\mathrm{4001}}^1$

素因数の和:5243

約数の個数: 24

約数和(自身を含む): 384576192

約数和(自身を除く): 162940797

約数列:

[1, 3, 5, 9, 15, 45, 1231, 3693, 4001, 6155, 11079, 12003, 18465, 20005, 36009, 55395, 60015, 180045, 4925231, 14775693, 24626155, 44327079, 73878465, 221635395]

約数ペア:

[(1, 221635395), (3, 73878465), (5, 44327079), (9, 24626155), (15, 14775693), (45, 4925231), (1231, 180045), (3693, 60015), (4001, 55395), (6155, 36009), (11079, 20005), (12003, 18465)]