157028361

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^3\times {\mathrm{251}}^1$

素因数の和:354

約数の個数: 32

約数和(自身を含む): 248242176

約数和(自身を除く): 91213815

約数列:

[1, 3, 7, 21, 31, 93, 217, 251, 651, 753, 961, 1757, 2883, 5271, 6727, 7781, 20181, 23343, 29791, 54467, 89373, 163401, 208537, 241211, 625611, 723633, 1688477, 5065431, 7477541, 22432623, 52342787, 157028361]

約数ペア:

[(1, 157028361), (3, 52342787), (7, 22432623), (21, 7477541), (31, 5065431), (93, 1688477), (217, 723633), (251, 625611), (651, 241211), (753, 208537), (961, 163401), (1757, 89373), (2883, 54467), (5271, 29791), (6727, 23343), (7781, 20181)]