1904971425

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{28571}}^1$

素因数の和:28718

約数の個数: 48

約数和(自身を含む): 3627958272

約数和(自身を除く): 1722986847

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 127, 175, 381, 525, 635, 889, 1905, 2667, 3175, 4445, 9525, 13335, 22225, 28571, 66675, 85713, 142855, 199997, 428565, 599991, 714275, 999985, 2142825, 2999955, 3628517, 4999925, 10885551, 14999775, 18142585, 25399619, 54427755, 76198857, 90712925, 126998095, 272138775, 380994285, 634990475, 1904971425]

約数ペア:

[(1, 1904971425), (3, 634990475), (5, 380994285), (7, 272138775), (15, 126998095), (21, 90712925), (25, 76198857), (35, 54427755), (75, 25399619), (105, 18142585), (127, 14999775), (175, 10885551), (381, 4999925), (525, 3628517), (635, 2999955), (889, 2142825), (1905, 999985), (2667, 714275), (3175, 599991), (4445, 428565), (9525, 199997), (13335, 142855), (22225, 85713), (28571, 66675)]