1211895

素因数分解:

$3^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{191}}^1$

素因数の和:252

約数の個数: 32

約数和(自身を含む): 2211840

約数和(自身を除く): 999945

約数列:

[1, 3, 5, 9, 15, 27, 45, 47, 135, 141, 191, 235, 423, 573, 705, 955, 1269, 1719, 2115, 2865, 5157, 6345, 8595, 8977, 25785, 26931, 44885, 80793, 134655, 242379, 403965, 1211895]

約数ペア:

[(1, 1211895), (3, 403965), (5, 242379), (9, 134655), (15, 80793), (27, 44885), (45, 26931), (47, 25785), (135, 8977), (141, 8595), (191, 6345), (235, 5157), (423, 2865), (573, 2115), (705, 1719), (955, 1269)]