72491769

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{227}}^1$

素因数の和:414

約数の個数: 48

約数和(自身を含む): 124345728

約数和(自身を除く): 51853959

約数列:

[1, 3, 7, 9, 21, 37, 63, 111, 137, 227, 259, 333, 411, 681, 777, 959, 1233, 1589, 2043, 2331, 2877, 4767, 5069, 8399, 8631, 14301, 15207, 25197, 31099, 35483, 45621, 58793, 75591, 93297, 106449, 176379, 217693, 279891, 319347, 529137, 653079, 1150663, 1959237, 3451989, 8054641, 10355967, 24163923, 72491769]

約数ペア:

[(1, 72491769), (3, 24163923), (7, 10355967), (9, 8054641), (21, 3451989), (37, 1959237), (63, 1150663), (111, 653079), (137, 529137), (227, 319347), (259, 279891), (333, 217693), (411, 176379), (681, 106449), (777, 93297), (959, 75591), (1233, 58793), (1589, 45621), (2043, 35483), (2331, 31099), (2877, 25197), (4767, 15207), (5069, 14301), (8399, 8631)]