12781935

素因数分解:

$3^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{1297}}^1$

素因数の和:1384

約数の個数: 32

約数和(自身を含む): 23052480

約数和(自身を除く): 10270545

約数列:

[1, 3, 5, 9, 15, 27, 45, 73, 135, 219, 365, 657, 1095, 1297, 1971, 3285, 3891, 6485, 9855, 11673, 19455, 35019, 58365, 94681, 175095, 284043, 473405, 852129, 1420215, 2556387, 4260645, 12781935]

約数ペア:

[(1, 12781935), (3, 4260645), (5, 2556387), (9, 1420215), (15, 852129), (27, 473405), (45, 284043), (73, 175095), (135, 94681), (219, 58365), (365, 35019), (657, 19455), (1095, 11673), (1297, 9855), (1971, 6485), (3285, 3891)]