2788155

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1087}}^1$

素因数の和:1120

約数の個数: 32

約数和(自身を含む): 5222400

約数和(自身を除く): 2434245

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 95, 135, 171, 285, 513, 855, 1087, 2565, 3261, 5435, 9783, 16305, 20653, 29349, 48915, 61959, 103265, 146745, 185877, 309795, 557631, 929385, 2788155]

約数ペア:

[(1, 2788155), (3, 929385), (5, 557631), (9, 309795), (15, 185877), (19, 146745), (27, 103265), (45, 61959), (57, 48915), (95, 29349), (135, 20653), (171, 16305), (285, 9783), (513, 5435), (855, 3261), (1087, 2565)]