649305

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{307}}^1$

素因数の和:365

約数の個数: 24

約数和(自身を含む): 1153152

約数和(自身を除く): 503847

約数列:

[1, 3, 5, 9, 15, 45, 47, 141, 235, 307, 423, 705, 921, 1535, 2115, 2763, 4605, 13815, 14429, 43287, 72145, 129861, 216435, 649305]

約数ペア:

[(1, 649305), (3, 216435), (5, 129861), (9, 72145), (15, 43287), (45, 14429), (47, 13815), (141, 4605), (235, 2763), (307, 2115), (423, 1535), (705, 921)]