201421695

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{563}}^1$

素因数の和:672

約数の個数: 64

約数和(自身を含む): 362548224

約数和(自身を除く): 161126529

約数列:

[1, 3, 5, 15, 17, 23, 51, 61, 69, 85, 115, 183, 255, 305, 345, 391, 563, 915, 1037, 1173, 1403, 1689, 1955, 2815, 3111, 4209, 5185, 5865, 7015, 8445, 9571, 12949, 15555, 21045, 23851, 28713, 34343, 38847, 47855, 64745, 71553, 103029, 119255, 143565, 171715, 194235, 220133, 357765, 515145, 583831, 660399, 789889, 1100665, 1751493, 2369667, 2919155, 3301995, 3949445, 8757465, 11848335, 13428113, 40284339, 67140565, 201421695]

約数ペア:

[(1, 201421695), (3, 67140565), (5, 40284339), (15, 13428113), (17, 11848335), (23, 8757465), (51, 3949445), (61, 3301995), (69, 2919155), (85, 2369667), (115, 1751493), (183, 1100665), (255, 789889), (305, 660399), (345, 583831), (391, 515145), (563, 357765), (915, 220133), (1037, 194235), (1173, 171715), (1403, 143565), (1689, 119255), (1955, 103029), (2815, 71553), (3111, 64745), (4209, 47855), (5185, 38847), (5865, 34343), (7015, 28713), (8445, 23851), (9571, 21045), (12949, 15555)]