2138175

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1$

素因数の和:89

約数の個数: 72

約数和(自身を含む): 4468464

約数和(自身を除く): 2330289

約数列:

[1, 3, 5, 9, 13, 15, 17, 25, 39, 43, 45, 51, 65, 75, 85, 117, 129, 153, 195, 215, 221, 225, 255, 325, 387, 425, 559, 585, 645, 663, 731, 765, 975, 1075, 1105, 1275, 1677, 1935, 1989, 2193, 2795, 2925, 3225, 3315, 3655, 3825, 5031, 5525, 6579, 8385, 9503, 9675, 9945, 10965, 13975, 16575, 18275, 25155, 28509, 32895, 41925, 47515, 49725, 54825, 85527, 125775, 142545, 164475, 237575, 427635, 712725, 2138175]

約数ペア:

[(1, 2138175), (3, 712725), (5, 427635), (9, 237575), (13, 164475), (15, 142545), (17, 125775), (25, 85527), (39, 54825), (43, 49725), (45, 47515), (51, 41925), (65, 32895), (75, 28509), (85, 25155), (117, 18275), (129, 16575), (153, 13975), (195, 10965), (215, 9945), (221, 9675), (225, 9503), (255, 8385), (325, 6579), (387, 5525), (425, 5031), (559, 3825), (585, 3655), (645, 3315), (663, 3225), (731, 2925), (765, 2795), (975, 2193), (1075, 1989), (1105, 1935), (1275, 1677)]