155917011

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{307}}^1$

素因数の和:511

約数の個数: 32

約数和(自身を含む): 222035968

約数和(自身を除く): 66118957

約数列:

[1, 3, 31, 43, 93, 127, 129, 307, 381, 921, 1333, 3937, 3999, 5461, 9517, 11811, 13201, 16383, 28551, 38989, 39603, 116967, 169291, 409231, 507873, 1208659, 1227693, 1676527, 3625977, 5029581, 51972337, 155917011]

約数ペア:

[(1, 155917011), (3, 51972337), (31, 5029581), (43, 3625977), (93, 1676527), (127, 1227693), (129, 1208659), (307, 507873), (381, 409231), (921, 169291), (1333, 116967), (3937, 39603), (3999, 38989), (5461, 28551), (9517, 16383), (11811, 13201)]