28400925

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1151}}^1$

素因数の和:1218

約数の個数: 48

約数和(自身を含む): 54853632

約数和(自身を除く): 26452707

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 47, 75, 105, 141, 175, 235, 329, 525, 705, 987, 1151, 1175, 1645, 3453, 3525, 4935, 5755, 8057, 8225, 17265, 24171, 24675, 28775, 40285, 54097, 86325, 120855, 162291, 201425, 270485, 378679, 604275, 811455, 1136037, 1352425, 1893395, 4057275, 5680185, 9466975, 28400925]

約数ペア:

[(1, 28400925), (3, 9466975), (5, 5680185), (7, 4057275), (15, 1893395), (21, 1352425), (25, 1136037), (35, 811455), (47, 604275), (75, 378679), (105, 270485), (141, 201425), (175, 162291), (235, 120855), (329, 86325), (525, 54097), (705, 40285), (987, 28775), (1151, 24675), (1175, 24171), (1645, 17265), (3453, 8225), (3525, 8057), (4935, 5755)]