2141235

素因数分解:

$3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{311}}^1$

素因数の和:345

約数の個数: 40

約数和(自身を含む): 4077216

約数和(自身を除く): 1935981

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 81, 85, 135, 153, 255, 311, 405, 459, 765, 933, 1377, 1555, 2295, 2799, 4665, 5287, 6885, 8397, 13995, 15861, 25191, 26435, 41985, 47583, 79305, 125955, 142749, 237915, 428247, 713745, 2141235]

約数ペア:

[(1, 2141235), (3, 713745), (5, 428247), (9, 237915), (15, 142749), (17, 125955), (27, 79305), (45, 47583), (51, 41985), (81, 26435), (85, 25191), (135, 15861), (153, 13995), (255, 8397), (311, 6885), (405, 5287), (459, 4665), (765, 2799), (933, 2295), (1377, 1555)]