15340815

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1571}}^1$

素因数の和:1620

約数の個数: 48

約数和(自身を含む): 31389696

約数和(自身を除く): 16048881

約数列:

[1, 3, 5, 7, 9, 15, 21, 31, 35, 45, 63, 93, 105, 155, 217, 279, 315, 465, 651, 1085, 1395, 1571, 1953, 3255, 4713, 7855, 9765, 10997, 14139, 23565, 32991, 48701, 54985, 70695, 98973, 146103, 164955, 243505, 340907, 438309, 494865, 730515, 1022721, 1704535, 2191545, 3068163, 5113605, 15340815]

約数ペア:

[(1, 15340815), (3, 5113605), (5, 3068163), (7, 2191545), (9, 1704535), (15, 1022721), (21, 730515), (31, 494865), (35, 438309), (45, 340907), (63, 243505), (93, 164955), (105, 146103), (155, 98973), (217, 70695), (279, 54985), (315, 48701), (465, 32991), (651, 23565), (1085, 14139), (1395, 10997), (1571, 9765), (1953, 7855), (3255, 4713)]