16197291

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1$

素因数の和:224

約数の個数: 48

約数和(自身を含む): 27456000

約数和(自身を除く): 11258709

約数列:

[1, 3, 9, 11, 19, 33, 57, 79, 99, 109, 171, 209, 237, 327, 627, 711, 869, 981, 1199, 1501, 1881, 2071, 2607, 3597, 4503, 6213, 7821, 8611, 10791, 13509, 16511, 18639, 22781, 25833, 49533, 68343, 77499, 94721, 148599, 163609, 205029, 284163, 490827, 852489, 1472481, 1799699, 5399097, 16197291]

約数ペア:

[(1, 16197291), (3, 5399097), (9, 1799699), (11, 1472481), (19, 852489), (33, 490827), (57, 284163), (79, 205029), (99, 163609), (109, 148599), (171, 94721), (209, 77499), (237, 68343), (327, 49533), (627, 25833), (711, 22781), (869, 18639), (981, 16511), (1199, 13509), (1501, 10791), (1881, 8611), (2071, 7821), (2607, 6213), (3597, 4503)]