31865769

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{433}}^1$

素因数の和:506

約数の個数: 48

約数和(自身を含む): 54027792

約数和(自身を除く): 22162023

約数列:

[1, 3, 9, 13, 17, 37, 39, 51, 111, 117, 153, 221, 333, 433, 481, 629, 663, 1299, 1443, 1887, 1989, 3897, 4329, 5629, 5661, 7361, 8177, 16021, 16887, 22083, 24531, 48063, 50661, 66249, 73593, 95693, 144189, 208273, 272357, 287079, 624819, 817071, 861237, 1874457, 2451213, 3540641, 10621923, 31865769]

約数ペア:

[(1, 31865769), (3, 10621923), (9, 3540641), (13, 2451213), (17, 1874457), (37, 861237), (39, 817071), (51, 624819), (111, 287079), (117, 272357), (153, 208273), (221, 144189), (333, 95693), (433, 73593), (481, 66249), (629, 50661), (663, 48063), (1299, 24531), (1443, 22083), (1887, 16887), (1989, 16021), (3897, 8177), (4329, 7361), (5629, 5661)]