128973411

素因数分解:

$3^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{23531}}^1$

素因数の和:23576

約数の個数: 32

約数和(自身を含む): 225907200

約数和(自身を除く): 96933789

約数列:

[1, 3, 7, 9, 21, 27, 29, 63, 87, 189, 203, 261, 609, 783, 1827, 5481, 23531, 70593, 164717, 211779, 494151, 635337, 682399, 1482453, 2047197, 4447359, 4776793, 6141591, 14330379, 18424773, 42991137, 128973411]

約数ペア:

[(1, 128973411), (3, 42991137), (7, 18424773), (9, 14330379), (21, 6141591), (27, 4776793), (29, 4447359), (63, 2047197), (87, 1482453), (189, 682399), (203, 635337), (261, 494151), (609, 211779), (783, 164717), (1827, 70593), (5481, 23531)]