18908175

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:121

約数の個数: 96

約数和(自身を含む): 38497536

約数和(自身を除く): 19589361

約数列:

[1, 3, 5, 11, 13, 15, 25, 33, 39, 41, 43, 55, 65, 75, 123, 129, 143, 165, 195, 205, 215, 275, 325, 429, 451, 473, 533, 559, 615, 645, 715, 825, 975, 1025, 1075, 1353, 1419, 1599, 1677, 1763, 2145, 2255, 2365, 2665, 2795, 3075, 3225, 3575, 5289, 5863, 6149, 6765, 7095, 7995, 8385, 8815, 10725, 11275, 11825, 13325, 13975, 17589, 18447, 19393, 22919, 26445, 29315, 30745, 33825, 35475, 39975, 41925, 44075, 58179, 68757, 87945, 92235, 96965, 114595, 132225, 146575, 153725, 252109, 290895, 343785, 439725, 461175, 484825, 572975, 756327, 1260545, 1454475, 1718925, 3781635, 6302725, 18908175]

約数ペア:

[(1, 18908175), (3, 6302725), (5, 3781635), (11, 1718925), (13, 1454475), (15, 1260545), (25, 756327), (33, 572975), (39, 484825), (41, 461175), (43, 439725), (55, 343785), (65, 290895), (75, 252109), (123, 153725), (129, 146575), (143, 132225), (165, 114595), (195, 96965), (205, 92235), (215, 87945), (275, 68757), (325, 58179), (429, 44075), (451, 41925), (473, 39975), (533, 35475), (559, 33825), (615, 30745), (645, 29315), (715, 26445), (825, 22919), (975, 19393), (1025, 18447), (1075, 17589), (1353, 13975), (1419, 13325), (1599, 11825), (1677, 11275), (1763, 10725), (2145, 8815), (2255, 8385), (2365, 7995), (2665, 7095), (2795, 6765), (3075, 6149), (3225, 5863), (3575, 5289)]