28046889

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{239}}^1$

素因数の和:334

約数の個数: 48

約数和(自身を含む): 47174400

約数和(自身を除く): 19127511

約数列:

[1, 3, 9, 13, 17, 39, 51, 59, 117, 153, 177, 221, 239, 531, 663, 717, 767, 1003, 1989, 2151, 2301, 3009, 3107, 4063, 6903, 9027, 9321, 12189, 13039, 14101, 27963, 36567, 39117, 42303, 52819, 117351, 126909, 158457, 183313, 239717, 475371, 549939, 719151, 1649817, 2157453, 3116321, 9348963, 28046889]

約数ペア:

[(1, 28046889), (3, 9348963), (9, 3116321), (13, 2157453), (17, 1649817), (39, 719151), (51, 549939), (59, 475371), (117, 239717), (153, 183313), (177, 158457), (221, 126909), (239, 117351), (531, 52819), (663, 42303), (717, 39117), (767, 36567), (1003, 27963), (1989, 14101), (2151, 13039), (2301, 12189), (3009, 9321), (3107, 9027), (4063, 6903)]