56728395

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1543}}^1$

素因数の和:1616

約数の個数: 48

約数和(自身を含む): 105980160

約数和(自身を除く): 49251765

約数列:

[1, 3, 5, 9, 15, 19, 43, 45, 57, 95, 129, 171, 215, 285, 387, 645, 817, 855, 1543, 1935, 2451, 4085, 4629, 7353, 7715, 12255, 13887, 23145, 29317, 36765, 66349, 69435, 87951, 146585, 199047, 263853, 331745, 439755, 597141, 995235, 1260631, 1319265, 2985705, 3781893, 6303155, 11345679, 18909465, 56728395]

約数ペア:

[(1, 56728395), (3, 18909465), (5, 11345679), (9, 6303155), (15, 3781893), (19, 2985705), (43, 1319265), (45, 1260631), (57, 995235), (95, 597141), (129, 439755), (171, 331745), (215, 263853), (285, 199047), (387, 146585), (645, 87951), (817, 69435), (855, 66349), (1543, 36765), (1935, 29317), (2451, 23145), (4085, 13887), (4629, 12255), (7353, 7715)]