2855565

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:154

約数の個数: 48

約数和(自身を含む): 5391360

約数和(自身を除く): 2535795

約数列:

[1, 3, 5, 9, 15, 23, 31, 45, 69, 89, 93, 115, 155, 207, 267, 279, 345, 445, 465, 713, 801, 1035, 1335, 1395, 2047, 2139, 2759, 3565, 4005, 6141, 6417, 8277, 10235, 10695, 13795, 18423, 24831, 30705, 32085, 41385, 63457, 92115, 124155, 190371, 317285, 571113, 951855, 2855565]

約数ペア:

[(1, 2855565), (3, 951855), (5, 571113), (9, 317285), (15, 190371), (23, 124155), (31, 92115), (45, 63457), (69, 41385), (89, 32085), (93, 30705), (115, 24831), (155, 18423), (207, 13795), (267, 10695), (279, 10235), (345, 8277), (445, 6417), (465, 6141), (713, 4005), (801, 3565), (1035, 2759), (1335, 2139), (1395, 2047)]