157400769

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{431}}^1$

素因数の和:645

約数の個数: 32

約数和(自身を含む): 228096000

約数和(自身を除く): 70695231

約数列:

[1, 3, 19, 43, 57, 129, 149, 431, 447, 817, 1293, 2451, 2831, 6407, 8189, 8493, 18533, 19221, 24567, 55599, 64219, 121733, 192657, 352127, 365199, 1056381, 1220161, 2761417, 3660483, 8284251, 52466923, 157400769]

約数ペア:

[(1, 157400769), (3, 52466923), (19, 8284251), (43, 3660483), (57, 2761417), (129, 1220161), (149, 1056381), (431, 365199), (447, 352127), (817, 192657), (1293, 121733), (2451, 64219), (2831, 55599), (6407, 24567), (8189, 19221), (8493, 18533)]