28311045

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{617}}^1$

素因数の和:674

約数の個数: 64

約数和(自身を含む): 56954880

約数和(自身を除く): 28643835

約数列:

[1, 3, 5, 7, 15, 19, 21, 23, 35, 57, 69, 95, 105, 115, 133, 161, 285, 345, 399, 437, 483, 617, 665, 805, 1311, 1851, 1995, 2185, 2415, 3059, 3085, 4319, 6555, 9177, 9255, 11723, 12957, 14191, 15295, 21595, 35169, 42573, 45885, 58615, 64785, 70955, 82061, 99337, 175845, 212865, 246183, 269629, 298011, 410305, 496685, 808887, 1230915, 1348145, 1490055, 1887403, 4044435, 5662209, 9437015, 28311045]

約数ペア:

[(1, 28311045), (3, 9437015), (5, 5662209), (7, 4044435), (15, 1887403), (19, 1490055), (21, 1348145), (23, 1230915), (35, 808887), (57, 496685), (69, 410305), (95, 298011), (105, 269629), (115, 246183), (133, 212865), (161, 175845), (285, 99337), (345, 82061), (399, 70955), (437, 64785), (483, 58615), (617, 45885), (665, 42573), (805, 35169), (1311, 21595), (1851, 15295), (1995, 14191), (2185, 12957), (2415, 11723), (3059, 9255), (3085, 9177), (4319, 6555)]