28970175

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{691}}^1$

素因数の和:760

約数の個数: 48

約数和(自身を含む): 52857728

約数和(自身を除く): 23887553

約数列:

[1, 3, 5, 13, 15, 25, 39, 43, 65, 75, 129, 195, 215, 325, 559, 645, 691, 975, 1075, 1677, 2073, 2795, 3225, 3455, 8385, 8983, 10365, 13975, 17275, 26949, 29713, 41925, 44915, 51825, 89139, 134745, 148565, 224575, 386269, 445695, 673725, 742825, 1158807, 1931345, 2228475, 5794035, 9656725, 28970175]

約数ペア:

[(1, 28970175), (3, 9656725), (5, 5794035), (13, 2228475), (15, 1931345), (25, 1158807), (39, 742825), (43, 673725), (65, 445695), (75, 386269), (129, 224575), (195, 148565), (215, 134745), (325, 89139), (559, 51825), (645, 44915), (691, 41925), (975, 29713), (1075, 26949), (1677, 17275), (2073, 13975), (2795, 10365), (3225, 8983), (3455, 8385)]