28165005

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{3347}}^1$

素因数の和:3386

約数の個数: 48

約数和(自身を含む): 56407104

約数和(自身を除く): 28242099

約数列:

[1, 3, 5, 9, 11, 15, 17, 33, 45, 51, 55, 85, 99, 153, 165, 187, 255, 495, 561, 765, 935, 1683, 2805, 3347, 8415, 10041, 16735, 30123, 36817, 50205, 56899, 110451, 150615, 170697, 184085, 284495, 331353, 512091, 552255, 625889, 853485, 1656765, 1877667, 2560455, 3129445, 5633001, 9388335, 28165005]

約数ペア:

[(1, 28165005), (3, 9388335), (5, 5633001), (9, 3129445), (11, 2560455), (15, 1877667), (17, 1656765), (33, 853485), (45, 625889), (51, 552255), (55, 512091), (85, 331353), (99, 284495), (153, 184085), (165, 170697), (187, 150615), (255, 110451), (495, 56899), (561, 50205), (765, 36817), (935, 30123), (1683, 16735), (2805, 10041), (3347, 8415)]