156120321

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{55897}}^1$

素因数の和:55933

約数の個数: 24

約数和(自身を含む): 254894880

約数和(自身を除く): 98774559

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 2793, 55897, 167691, 391279, 1062043, 1173837, 2738953, 3186129, 7434301, 8216859, 22302903, 52040107, 156120321]

約数ペア:

[(1, 156120321), (3, 52040107), (7, 22302903), (19, 8216859), (21, 7434301), (49, 3186129), (57, 2738953), (133, 1173837), (147, 1062043), (399, 391279), (931, 167691), (2793, 55897)]