16628895

素因数分解:

$3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2161}}^1$

素因数の和:2197

約数の個数: 40

約数和(自身を含む): 31392240

約数和(自身を除く): 14763345

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 81, 95, 135, 171, 285, 405, 513, 855, 1539, 2161, 2565, 6483, 7695, 10805, 19449, 32415, 41059, 58347, 97245, 123177, 175041, 205295, 291735, 369531, 615885, 875205, 1108593, 1847655, 3325779, 5542965, 16628895]

約数ペア:

[(1, 16628895), (3, 5542965), (5, 3325779), (9, 1847655), (15, 1108593), (19, 875205), (27, 615885), (45, 369531), (57, 291735), (81, 205295), (95, 175041), (135, 123177), (171, 97245), (285, 58347), (405, 41059), (513, 32415), (855, 19449), (1539, 10805), (2161, 7695), (2565, 6483)]