40390791

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{227}}^1\times {\mathrm{229}}^1$

素因数の和:503

約数の個数: 32

約数和(自身を含む): 63767040

約数和(自身を除く): 23376249

約数列:

[1, 3, 7, 21, 37, 111, 227, 229, 259, 681, 687, 777, 1589, 1603, 4767, 4809, 8399, 8473, 25197, 25419, 51983, 58793, 59311, 155949, 176379, 177933, 363881, 1091643, 1923371, 5770113, 13463597, 40390791]

約数ペア:

[(1, 40390791), (3, 13463597), (7, 5770113), (21, 1923371), (37, 1091643), (111, 363881), (227, 177933), (229, 176379), (259, 155949), (681, 59311), (687, 58793), (777, 51983), (1589, 25419), (1603, 25197), (4767, 8473), (4809, 8399)]