28131675

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:141

約数の個数: 96

約数和(自身を含む): 56829696

約数和(自身を除く): 28698021

約数列:

[1, 3, 5, 11, 13, 15, 25, 33, 39, 43, 55, 61, 65, 75, 129, 143, 165, 183, 195, 215, 275, 305, 325, 429, 473, 559, 645, 671, 715, 793, 825, 915, 975, 1075, 1419, 1525, 1677, 2013, 2145, 2365, 2379, 2623, 2795, 3225, 3355, 3575, 3965, 4575, 6149, 7095, 7869, 8385, 8723, 10065, 10725, 11825, 11895, 13115, 13975, 16775, 18447, 19825, 26169, 28853, 30745, 34099, 35475, 39345, 41925, 43615, 50325, 59475, 65575, 86559, 92235, 102297, 130845, 144265, 153725, 170495, 196725, 218075, 375089, 432795, 461175, 511485, 654225, 721325, 852475, 1125267, 1875445, 2163975, 2557425, 5626335, 9377225, 28131675]

約数ペア:

[(1, 28131675), (3, 9377225), (5, 5626335), (11, 2557425), (13, 2163975), (15, 1875445), (25, 1125267), (33, 852475), (39, 721325), (43, 654225), (55, 511485), (61, 461175), (65, 432795), (75, 375089), (129, 218075), (143, 196725), (165, 170495), (183, 153725), (195, 144265), (215, 130845), (275, 102297), (305, 92235), (325, 86559), (429, 65575), (473, 59475), (559, 50325), (645, 43615), (671, 41925), (715, 39345), (793, 35475), (825, 34099), (915, 30745), (975, 28853), (1075, 26169), (1419, 19825), (1525, 18447), (1677, 16775), (2013, 13975), (2145, 13115), (2365, 11895), (2379, 11825), (2623, 10725), (2795, 10065), (3225, 8723), (3355, 8385), (3575, 7869), (3965, 7095), (4575, 6149)]