850809105

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{21031}}^1$

素因数の和:21102

約数の個数: 48

約数和(自身を含む): 1574876160

約数和(自身を除く): 724067055

約数列:

[1, 3, 5, 9, 15, 29, 31, 45, 87, 93, 145, 155, 261, 279, 435, 465, 899, 1305, 1395, 2697, 4495, 8091, 13485, 21031, 40455, 63093, 105155, 189279, 315465, 609899, 651961, 946395, 1829697, 1955883, 3049495, 3259805, 5489091, 5867649, 9148485, 9779415, 18906869, 27445455, 29338245, 56720607, 94534345, 170161821, 283603035, 850809105]

約数ペア:

[(1, 850809105), (3, 283603035), (5, 170161821), (9, 94534345), (15, 56720607), (29, 29338245), (31, 27445455), (45, 18906869), (87, 9779415), (93, 9148485), (145, 5867649), (155, 5489091), (261, 3259805), (279, 3049495), (435, 1955883), (465, 1829697), (899, 946395), (1305, 651961), (1395, 609899), (2697, 315465), (4495, 189279), (8091, 105155), (13485, 63093), (21031, 40455)]