151020009

素因数分解:

$3^2\times 7^2\times {\mathrm{342449}}^1$

素因数の和:342469

約数の個数: 18

約数和(自身を含む): 253755450

約数和(自身を除く): 102735441

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 342449, 1027347, 2397143, 3082041, 7191429, 16780001, 21574287, 50340003, 151020009]

約数ペア:

[(1, 151020009), (3, 50340003), (7, 21574287), (9, 16780001), (21, 7191429), (49, 3082041), (63, 2397143), (147, 1027347), (441, 342449)]