8641215

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^2$

素因数の和:82

約数の個数: 72

約数和(自身を含む): 17651760

約数和(自身を除く): 9010545

約数列:

[1, 3, 5, 9, 11, 15, 23, 27, 33, 45, 55, 69, 99, 115, 121, 135, 165, 207, 253, 297, 345, 363, 495, 529, 605, 621, 759, 1035, 1089, 1265, 1485, 1587, 1815, 2277, 2645, 2783, 3105, 3267, 3795, 4761, 5445, 5819, 6831, 7935, 8349, 11385, 13915, 14283, 16335, 17457, 23805, 25047, 29095, 34155, 41745, 52371, 64009, 71415, 75141, 87285, 125235, 157113, 192027, 261855, 320045, 375705, 576081, 785565, 960135, 1728243, 2880405, 8641215]

約数ペア:

[(1, 8641215), (3, 2880405), (5, 1728243), (9, 960135), (11, 785565), (15, 576081), (23, 375705), (27, 320045), (33, 261855), (45, 192027), (55, 157113), (69, 125235), (99, 87285), (115, 75141), (121, 71415), (135, 64009), (165, 52371), (207, 41745), (253, 34155), (297, 29095), (345, 25047), (363, 23805), (495, 17457), (529, 16335), (605, 14283), (621, 13915), (759, 11385), (1035, 8349), (1089, 7935), (1265, 6831), (1485, 5819), (1587, 5445), (1815, 4761), (2277, 3795), (2645, 3267), (2783, 3105)]