900978255

素因数分解:

$3^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{42509}}^1$

素因数の和:42680

約数の個数: 32

約数和(自身を含む): 1611979200

約数和(自身を除く): 711000945

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 157, 471, 785, 1413, 2355, 4239, 7065, 21195, 42509, 127527, 212545, 382581, 637635, 1147743, 1912905, 5738715, 6673913, 20021739, 33369565, 60065217, 100108695, 180195651, 300326085, 900978255]

約数ペア:

[(1, 900978255), (3, 300326085), (5, 180195651), (9, 100108695), (15, 60065217), (27, 33369565), (45, 20021739), (135, 6673913), (157, 5738715), (471, 1912905), (785, 1147743), (1413, 637635), (2355, 382581), (4239, 212545), (7065, 127527), (21195, 42509)]