71980923

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{233}}^1\times {\mathrm{313}}^1$

素因数の和:603

約数の個数: 32

約数和(自身を含む): 112859136

約数和(自身を除く): 40878213

約数列:

[1, 3, 7, 21, 47, 141, 233, 313, 329, 699, 939, 987, 1631, 2191, 4893, 6573, 10951, 14711, 32853, 44133, 72929, 76657, 102977, 218787, 229971, 308931, 510503, 1531509, 3427663, 10282989, 23993641, 71980923]

約数ペア:

[(1, 71980923), (3, 23993641), (7, 10282989), (21, 3427663), (47, 1531509), (141, 510503), (233, 308931), (313, 229971), (329, 218787), (699, 102977), (939, 76657), (987, 72929), (1631, 44133), (2191, 32853), (4893, 14711), (6573, 10951)]