30788037

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1$

素因数の和:155

約数の個数: 72

約数和(自身を含む): 57470400

約数和(自身を除く): 26682363

約数列:

[1, 3, 7, 9, 17, 19, 21, 51, 57, 63, 89, 119, 133, 153, 171, 267, 289, 323, 357, 399, 623, 801, 867, 969, 1071, 1197, 1513, 1691, 1869, 2023, 2261, 2601, 2907, 4539, 5073, 5491, 5607, 6069, 6783, 10591, 11837, 13617, 15219, 16473, 18207, 20349, 25721, 28747, 31773, 35511, 38437, 49419, 77163, 86241, 95319, 106533, 115311, 180047, 201229, 231489, 258723, 345933, 488699, 540141, 603687, 1466097, 1620423, 1811061, 3420893, 4398291, 10262679, 30788037]

約数ペア:

[(1, 30788037), (3, 10262679), (7, 4398291), (9, 3420893), (17, 1811061), (19, 1620423), (21, 1466097), (51, 603687), (57, 540141), (63, 488699), (89, 345933), (119, 258723), (133, 231489), (153, 201229), (171, 180047), (267, 115311), (289, 106533), (323, 95319), (357, 86241), (399, 77163), (623, 49419), (801, 38437), (867, 35511), (969, 31773), (1071, 28747), (1197, 25721), (1513, 20349), (1691, 18207), (1869, 16473), (2023, 15219), (2261, 13617), (2601, 11837), (2907, 10591), (4539, 6783), (5073, 6069), (5491, 5607)]