247888917

素因数分解:

$3^5\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{2609}}^1$

素因数の和:2664

約数の個数: 48

約数和(自身を含む): 410417280

約数和(自身を除く): 162528363

約数列:

[1, 3, 9, 17, 23, 27, 51, 69, 81, 153, 207, 243, 391, 459, 621, 1173, 1377, 1863, 2609, 3519, 4131, 5589, 7827, 10557, 23481, 31671, 44353, 60007, 70443, 95013, 133059, 180021, 211329, 399177, 540063, 633987, 1020119, 1197531, 1620189, 3060357, 3592593, 4860567, 9181071, 10777779, 14581701, 27543213, 82629639, 247888917]

約数ペア:

[(1, 247888917), (3, 82629639), (9, 27543213), (17, 14581701), (23, 10777779), (27, 9181071), (51, 4860567), (69, 3592593), (81, 3060357), (153, 1620189), (207, 1197531), (243, 1020119), (391, 633987), (459, 540063), (621, 399177), (1173, 211329), (1377, 180021), (1863, 133059), (2609, 95013), (3519, 70443), (4131, 60007), (5589, 44353), (7827, 31671), (10557, 23481)]