1187291205

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{561367}}^1$

素因数の和:561425

約数の個数: 24

約数和(自身を含む): 2101761792

約数和(自身を除く): 914470587

約数列:

[1, 3, 5, 9, 15, 45, 47, 141, 235, 423, 705, 2115, 561367, 1684101, 2806835, 5052303, 8420505, 25261515, 26384249, 79152747, 131921245, 237458241, 395763735, 1187291205]

約数ペア:

[(1, 1187291205), (3, 395763735), (5, 237458241), (9, 131921245), (15, 79152747), (45, 26384249), (47, 25261515), (141, 8420505), (235, 5052303), (423, 2806835), (705, 1684101), (2115, 561367)]