280643805

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{159911}}^1$

素因数の和:159938

約数の個数: 32

約数和(自身を含む): 537304320

約数和(自身を除く): 256660515

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 117, 135, 195, 351, 585, 1755, 159911, 479733, 799555, 1439199, 2078843, 2398665, 4317597, 6236529, 7195995, 10394215, 18709587, 21587985, 31182645, 56128761, 93547935, 280643805]

約数ペア:

[(1, 280643805), (3, 93547935), (5, 56128761), (9, 31182645), (13, 21587985), (15, 18709587), (27, 10394215), (39, 7195995), (45, 6236529), (65, 4317597), (117, 2398665), (135, 2078843), (195, 1439199), (351, 799555), (585, 479733), (1755, 159911)]