101520209

素因数分解:

$7^2\times {\mathrm{17}}^2\times {\mathrm{67}}^1\times {\mathrm{107}}^1$

素因数の和:222

約数の個数: 36

約数和(自身を含む): 128512656

約数和(自身を除く): 26992447

約数列:

[1, 7, 17, 49, 67, 107, 119, 289, 469, 749, 833, 1139, 1819, 2023, 3283, 5243, 7169, 7973, 12733, 14161, 19363, 30923, 50183, 55811, 89131, 121873, 135541, 216461, 351281, 853111, 948787, 1515227, 2071841, 5971777, 14502887, 101520209]

約数ペア:

[(1, 101520209), (7, 14502887), (17, 5971777), (49, 2071841), (67, 1515227), (107, 948787), (119, 853111), (289, 351281), (469, 216461), (749, 135541), (833, 121873), (1139, 89131), (1819, 55811), (2023, 50183), (3283, 30923), (5243, 19363), (7169, 14161), (7973, 12733)]