71140275

素因数分解:

$3^4\times 5^2\times {\mathrm{19}}^1\times {\mathrm{43}}^2$

素因数の和:127

約数の個数: 90

約数和(自身を含む): 142012860

約数和(自身を除く): 70872585

約数列:

[1, 3, 5, 9, 15, 19, 25, 27, 43, 45, 57, 75, 81, 95, 129, 135, 171, 215, 225, 285, 387, 405, 475, 513, 645, 675, 817, 855, 1075, 1161, 1425, 1539, 1849, 1935, 2025, 2451, 2565, 3225, 3483, 4085, 4275, 5547, 5805, 7353, 7695, 9245, 9675, 12255, 12825, 16641, 17415, 20425, 22059, 27735, 29025, 35131, 36765, 38475, 46225, 49923, 61275, 66177, 83205, 87075, 105393, 110295, 138675, 149769, 175655, 183825, 249615, 316179, 330885, 416025, 526965, 551475, 748845, 878275, 948537, 1248075, 1580895, 1654425, 2634825, 2845611, 3744225, 4742685, 7904475, 14228055, 23713425, 71140275]

約数ペア:

[(1, 71140275), (3, 23713425), (5, 14228055), (9, 7904475), (15, 4742685), (19, 3744225), (25, 2845611), (27, 2634825), (43, 1654425), (45, 1580895), (57, 1248075), (75, 948537), (81, 878275), (95, 748845), (129, 551475), (135, 526965), (171, 416025), (215, 330885), (225, 316179), (285, 249615), (387, 183825), (405, 175655), (475, 149769), (513, 138675), (645, 110295), (675, 105393), (817, 87075), (855, 83205), (1075, 66177), (1161, 61275), (1425, 49923), (1539, 46225), (1849, 38475), (1935, 36765), (2025, 35131), (2451, 29025), (2565, 27735), (3225, 22059), (3483, 20425), (4085, 17415), (4275, 16641), (5547, 12825), (5805, 12255), (7353, 9675), (7695, 9245)]