61540731

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{1553}}^1$

素因数の和:1620

約数の個数: 48

約数和(自身を含む): 110545344

約数和(自身を除く): 49004613

約数列:

[1, 3, 7, 9, 17, 21, 37, 51, 63, 111, 119, 153, 259, 333, 357, 629, 777, 1071, 1553, 1887, 2331, 4403, 4659, 5661, 10871, 13209, 13977, 26401, 32613, 39627, 57461, 79203, 97839, 172383, 184807, 237609, 402227, 517149, 554421, 976837, 1206681, 1663263, 2930511, 3620043, 6837859, 8791533, 20513577, 61540731]

約数ペア:

[(1, 61540731), (3, 20513577), (7, 8791533), (9, 6837859), (17, 3620043), (21, 2930511), (37, 1663263), (51, 1206681), (63, 976837), (111, 554421), (119, 517149), (153, 402227), (259, 237609), (333, 184807), (357, 172383), (629, 97839), (777, 79203), (1071, 57461), (1553, 39627), (1887, 32613), (2331, 26401), (4403, 13977), (4659, 13209), (5661, 10871)]