72870165

素因数分解:

$3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{12553}}^1$

素因数の和:12610

約数の個数: 32

約数和(自身を含む): 132570240

約数和(自身を除く): 59700075

約数列:

[1, 3, 5, 9, 15, 27, 43, 45, 129, 135, 215, 387, 645, 1161, 1935, 5805, 12553, 37659, 62765, 112977, 188295, 338931, 539779, 564885, 1619337, 1694655, 2698895, 4858011, 8096685, 14574033, 24290055, 72870165]

約数ペア:

[(1, 72870165), (3, 24290055), (5, 14574033), (9, 8096685), (15, 4858011), (27, 2698895), (43, 1694655), (45, 1619337), (129, 564885), (135, 539779), (215, 338931), (387, 188295), (645, 112977), (1161, 62765), (1935, 37659), (5805, 12553)]