201521386

素因数分解:

$2^1\times {\mathrm{11}}^3\times {\mathrm{75703}}^1$

素因数の和:75738

約数の個数: 16

約数和(自身を含む): 332491968

約数和(自身を除く): 130970582

約数列:

[1, 2, 11, 22, 121, 242, 1331, 2662, 75703, 151406, 832733, 1665466, 9160063, 18320126, 100760693, 201521386]

約数ペア:

[(1, 201521386), (2, 100760693), (11, 18320126), (22, 9160063), (121, 1665466), (242, 832733), (1331, 151406), (2662, 75703)]