661641465

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{509}}^1\times {\mathrm{4561}}^1$

素因数の和:5097

約数の個数: 32

約数和(自身を含む): 1116777600

約数和(自身を除く): 455136135

約数列:

[1, 3, 5, 15, 19, 57, 95, 285, 509, 1527, 2545, 4561, 7635, 9671, 13683, 22805, 29013, 48355, 68415, 86659, 145065, 259977, 433295, 1299885, 2321549, 6964647, 11607745, 34823235, 44109431, 132328293, 220547155, 661641465]

約数ペア:

[(1, 661641465), (3, 220547155), (5, 132328293), (15, 44109431), (19, 34823235), (57, 11607745), (95, 6964647), (285, 2321549), (509, 1299885), (1527, 433295), (2545, 259977), (4561, 145065), (7635, 86659), (9671, 68415), (13683, 48355), (22805, 29013)]