7681977

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1$

素因数の和:142

約数の個数: 48

約数和(自身を含む): 12804480

約数和(自身を除く): 5122503

約数列:

[1, 3, 9, 17, 23, 37, 51, 59, 69, 111, 153, 177, 207, 333, 391, 531, 629, 851, 1003, 1173, 1357, 1887, 2183, 2553, 3009, 3519, 4071, 5661, 6549, 7659, 9027, 12213, 14467, 19647, 23069, 37111, 43401, 50209, 69207, 111333, 130203, 150627, 207621, 333999, 451881, 853553, 2560659, 7681977]

約数ペア:

[(1, 7681977), (3, 2560659), (9, 853553), (17, 451881), (23, 333999), (37, 207621), (51, 150627), (59, 130203), (69, 111333), (111, 69207), (153, 50209), (177, 43401), (207, 37111), (333, 23069), (391, 19647), (531, 14467), (629, 12213), (851, 9027), (1003, 7659), (1173, 6549), (1357, 5661), (1887, 4071), (2183, 3519), (2553, 3009)]