28683675

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{7499}}^1$

素因数の和:7532

約数の個数: 36

約数和(自身を含む): 54405000

約数和(自身を除く): 25721325

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 75, 85, 153, 225, 255, 425, 765, 1275, 3825, 7499, 22497, 37495, 67491, 112485, 127483, 187475, 337455, 382449, 562425, 637415, 1147347, 1687275, 1912245, 3187075, 5736735, 9561225, 28683675]

約数ペア:

[(1, 28683675), (3, 9561225), (5, 5736735), (9, 3187075), (15, 1912245), (17, 1687275), (25, 1147347), (45, 637415), (51, 562425), (75, 382449), (85, 337455), (153, 187475), (225, 127483), (255, 112485), (425, 67491), (765, 37495), (1275, 22497), (3825, 7499)]