2171529

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1$

素因数の和:131

約数の個数: 40

約数和(自身を含む): 3659040

約数和(自身を除く): 1487511

約数列:

[1, 3, 9, 17, 19, 27, 51, 57, 81, 83, 153, 171, 249, 323, 459, 513, 747, 969, 1377, 1411, 1539, 1577, 2241, 2907, 4233, 4731, 6723, 8721, 12699, 14193, 26163, 26809, 38097, 42579, 80427, 114291, 127737, 241281, 723843, 2171529]

約数ペア:

[(1, 2171529), (3, 723843), (9, 241281), (17, 127737), (19, 114291), (27, 80427), (51, 42579), (57, 38097), (81, 26809), (83, 26163), (153, 14193), (171, 12699), (249, 8721), (323, 6723), (459, 4731), (513, 4233), (747, 2907), (969, 2241), (1377, 1577), (1411, 1539)]