78873021

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{311}}^1$

素因数の和:455

約数の個数: 40

約数和(自身を含む): 123222528

約数和(自身を除く): 44349507

約数列:

[1, 3, 9, 27, 31, 81, 93, 101, 279, 303, 311, 837, 909, 933, 2511, 2727, 2799, 3131, 8181, 8397, 9393, 9641, 25191, 28179, 28923, 31411, 84537, 86769, 94233, 253611, 260307, 282699, 780921, 848097, 973741, 2544291, 2921223, 8763669, 26291007, 78873021]

約数ペア:

[(1, 78873021), (3, 26291007), (9, 8763669), (27, 2921223), (31, 2544291), (81, 973741), (93, 848097), (101, 780921), (279, 282699), (303, 260307), (311, 253611), (837, 94233), (909, 86769), (933, 84537), (2511, 31411), (2727, 28923), (2799, 28179), (3131, 25191), (8181, 9641), (8397, 9393)]