8781345

素因数分解:

$3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{2243}}^1$

素因数の和:2286

約数の個数: 32

約数和(自身を含む): 16156800

約数和(自身を除く): 7375455

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 87, 135, 145, 261, 435, 783, 1305, 2243, 3915, 6729, 11215, 20187, 33645, 60561, 65047, 100935, 195141, 302805, 325235, 585423, 975705, 1756269, 2927115, 8781345]

約数ペア:

[(1, 8781345), (3, 2927115), (5, 1756269), (9, 975705), (15, 585423), (27, 325235), (29, 302805), (45, 195141), (87, 100935), (135, 65047), (145, 60561), (261, 33645), (435, 20187), (783, 11215), (1305, 6729), (2243, 3915)]