13889475

素因数分解:

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

素因数の和:79

約数の個数: 60

約数和(自身を含む): 27157240

約数和(自身を除く): 13267765

約数列:

[1, 3, 5, 9, 15, 19, 25, 27, 45, 57, 75, 81, 95, 135, 171, 225, 285, 361, 405, 475, 513, 675, 855, 1083, 1425, 1539, 1805, 2025, 2565, 3249, 4275, 5415, 6859, 7695, 9025, 9747, 12825, 16245, 20577, 27075, 29241, 34295, 38475, 48735, 61731, 81225, 102885, 146205, 171475, 185193, 243675, 308655, 514425, 555579, 731025, 925965, 1543275, 2777895, 4629825, 13889475]

約数ペア:

[(1, 13889475), (3, 4629825), (5, 2777895), (9, 1543275), (15, 925965), (19, 731025), (25, 555579), (27, 514425), (45, 308655), (57, 243675), (75, 185193), (81, 171475), (95, 146205), (135, 102885), (171, 81225), (225, 61731), (285, 48735), (361, 38475), (405, 34295), (475, 29241), (513, 27075), (675, 20577), (855, 16245), (1083, 12825), (1425, 9747), (1539, 9025), (1805, 7695), (2025, 6859), (2565, 5415), (3249, 4275)]