205116975

素因数分解:

$3^3\times 5^2\times 7^1\times {\mathrm{43411}}^1$

素因数の和:43437

約数の個数: 48

約数和(自身を含む): 430647040

約数和(自身を除く): 225530065

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 35, 45, 63, 75, 105, 135, 175, 189, 225, 315, 525, 675, 945, 1575, 4725, 43411, 130233, 217055, 303877, 390699, 651165, 911631, 1085275, 1172097, 1519385, 1953495, 2734893, 3255825, 4558155, 5860485, 7596925, 8204679, 9767475, 13674465, 22790775, 29302425, 41023395, 68372325, 205116975]

約数ペア:

[(1, 205116975), (3, 68372325), (5, 41023395), (7, 29302425), (9, 22790775), (15, 13674465), (21, 9767475), (25, 8204679), (27, 7596925), (35, 5860485), (45, 4558155), (63, 3255825), (75, 2734893), (105, 1953495), (135, 1519385), (175, 1172097), (189, 1085275), (225, 911631), (315, 651165), (525, 390699), (675, 303877), (945, 217055), (1575, 130233), (4725, 43411)]