39745881

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^2\times {\mathrm{37}}^1\times {\mathrm{59}}^1$

素因数の和:143

約数の個数: 72

約数和(自身を含む): 72795840

約数和(自身を除く): 33049959

約数列:

[1, 3, 7, 9, 17, 21, 37, 51, 59, 63, 111, 119, 153, 177, 259, 289, 333, 357, 413, 531, 629, 777, 867, 1003, 1071, 1239, 1887, 2023, 2183, 2331, 2601, 3009, 3717, 4403, 5661, 6069, 6549, 7021, 9027, 10693, 13209, 15281, 17051, 18207, 19647, 21063, 32079, 37111, 39627, 45843, 51153, 63189, 74851, 96237, 111333, 119357, 137529, 153459, 224553, 259777, 333999, 358071, 630887, 673659, 779331, 1074213, 1892661, 2337993, 4416209, 5677983, 13248627, 39745881]

約数ペア:

[(1, 39745881), (3, 13248627), (7, 5677983), (9, 4416209), (17, 2337993), (21, 1892661), (37, 1074213), (51, 779331), (59, 673659), (63, 630887), (111, 358071), (119, 333999), (153, 259777), (177, 224553), (259, 153459), (289, 137529), (333, 119357), (357, 111333), (413, 96237), (531, 74851), (629, 63189), (777, 51153), (867, 45843), (1003, 39627), (1071, 37111), (1239, 32079), (1887, 21063), (2023, 19647), (2183, 18207), (2331, 17051), (2601, 15281), (3009, 13209), (3717, 10693), (4403, 9027), (5661, 7021), (6069, 6549)]