240056745

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{21893}}^1$

素因数の和:21961

約数の個数: 32

約数和(自身を含む): 416161152

約数和(自身を除く): 176104407

約数列:

[1, 3, 5, 15, 17, 43, 51, 85, 129, 215, 255, 645, 731, 2193, 3655, 10965, 21893, 65679, 109465, 328395, 372181, 941399, 1116543, 1860905, 2824197, 4706995, 5582715, 14120985, 16003783, 48011349, 80018915, 240056745]

約数ペア:

[(1, 240056745), (3, 80018915), (5, 48011349), (15, 16003783), (17, 14120985), (43, 5582715), (51, 4706995), (85, 2824197), (129, 1860905), (215, 1116543), (255, 941399), (645, 372181), (731, 328395), (2193, 109465), (3655, 65679), (10965, 21893)]