16683615

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{79}}^1$

素因数の和:141

約数の個数: 72

約数和(自身を含む): 33284160

約数和(自身を除く): 16600545

約数列:

[1, 3, 5, 9, 13, 15, 19, 39, 45, 57, 65, 79, 95, 117, 171, 195, 237, 247, 285, 361, 395, 585, 711, 741, 855, 1027, 1083, 1185, 1235, 1501, 1805, 2223, 3081, 3249, 3555, 3705, 4503, 4693, 5135, 5415, 7505, 9243, 11115, 13509, 14079, 15405, 16245, 19513, 22515, 23465, 28519, 42237, 46215, 58539, 67545, 70395, 85557, 97565, 142595, 175617, 211185, 256671, 292695, 370747, 427785, 878085, 1112241, 1283355, 1853735, 3336723, 5561205, 16683615]

約数ペア:

[(1, 16683615), (3, 5561205), (5, 3336723), (9, 1853735), (13, 1283355), (15, 1112241), (19, 878085), (39, 427785), (45, 370747), (57, 292695), (65, 256671), (79, 211185), (95, 175617), (117, 142595), (171, 97565), (195, 85557), (237, 70395), (247, 67545), (285, 58539), (361, 46215), (395, 42237), (585, 28519), (711, 23465), (741, 22515), (855, 19513), (1027, 16245), (1083, 15405), (1185, 14079), (1235, 13509), (1501, 11115), (1805, 9243), (2223, 7505), (3081, 5415), (3249, 5135), (3555, 4693), (3705, 4503)]