7874145

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1$

素因数の和:151

約数の個数: 64

約数和(自身を含む): 15344640

約数和(自身を除く): 7470495

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 47, 51, 73, 85, 135, 141, 153, 219, 235, 255, 365, 423, 459, 657, 705, 765, 799, 1095, 1241, 1269, 1971, 2115, 2295, 2397, 3285, 3431, 3723, 3995, 6205, 6345, 7191, 9855, 10293, 11169, 11985, 17155, 18615, 21573, 30879, 33507, 35955, 51465, 55845, 58327, 92637, 107865, 154395, 167535, 174981, 291635, 463185, 524943, 874905, 1574829, 2624715, 7874145]

約数ペア:

[(1, 7874145), (3, 2624715), (5, 1574829), (9, 874905), (15, 524943), (17, 463185), (27, 291635), (45, 174981), (47, 167535), (51, 154395), (73, 107865), (85, 92637), (135, 58327), (141, 55845), (153, 51465), (219, 35955), (235, 33507), (255, 30879), (365, 21573), (423, 18615), (459, 17155), (657, 11985), (705, 11169), (765, 10293), (799, 9855), (1095, 7191), (1241, 6345), (1269, 6205), (1971, 3995), (2115, 3723), (2295, 3431), (2397, 3285)]