55781535

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1\times {\mathrm{439}}^1$

素因数の和:687

約数の個数: 32

約数和(自身を含む): 91998720

約数和(自身を除く): 36217185

約数列:

[1, 3, 5, 15, 43, 129, 197, 215, 439, 591, 645, 985, 1317, 2195, 2955, 6585, 8471, 18877, 25413, 42355, 56631, 86483, 94385, 127065, 259449, 283155, 432415, 1297245, 3718769, 11156307, 18593845, 55781535]

約数ペア:

[(1, 55781535), (3, 18593845), (5, 11156307), (15, 3718769), (43, 1297245), (129, 432415), (197, 283155), (215, 259449), (439, 127065), (591, 94385), (645, 86483), (985, 56631), (1317, 42355), (2195, 25413), (2955, 18877), (6585, 8471)]