28930905

素因数分解:

$3^3\times 5^1\times {\mathrm{31}}^2\times {\mathrm{223}}^1$

素因数の和:299

約数の個数: 48

約数和(自身を含む): 53383680

約数和(自身を除く): 24452775

約数列:

[1, 3, 5, 9, 15, 27, 31, 45, 93, 135, 155, 223, 279, 465, 669, 837, 961, 1115, 1395, 2007, 2883, 3345, 4185, 4805, 6021, 6913, 8649, 10035, 14415, 20739, 25947, 30105, 34565, 43245, 62217, 103695, 129735, 186651, 214303, 311085, 642909, 933255, 1071515, 1928727, 3214545, 5786181, 9643635, 28930905]

約数ペア:

[(1, 28930905), (3, 9643635), (5, 5786181), (9, 3214545), (15, 1928727), (27, 1071515), (31, 933255), (45, 642909), (93, 311085), (135, 214303), (155, 186651), (223, 129735), (279, 103695), (465, 62217), (669, 43245), (837, 34565), (961, 30105), (1115, 25947), (1395, 20739), (2007, 14415), (2883, 10035), (3345, 8649), (4185, 6913), (4805, 6021)]