201081525

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{6857}}^1$

素因数の和:6910

約数の個数: 48

約数和(自身を含む): 367369344

約数和(自身を除く): 166287819

約数列:

[1, 3, 5, 15, 17, 23, 25, 51, 69, 75, 85, 115, 255, 345, 391, 425, 575, 1173, 1275, 1725, 1955, 5865, 6857, 9775, 20571, 29325, 34285, 102855, 116569, 157711, 171425, 349707, 473133, 514275, 582845, 788555, 1748535, 2365665, 2681087, 2914225, 3942775, 8043261, 8742675, 11828325, 13405435, 40216305, 67027175, 201081525]

約数ペア:

[(1, 201081525), (3, 67027175), (5, 40216305), (15, 13405435), (17, 11828325), (23, 8742675), (25, 8043261), (51, 3942775), (69, 2914225), (75, 2681087), (85, 2365665), (115, 1748535), (255, 788555), (345, 582845), (391, 514275), (425, 473133), (575, 349707), (1173, 171425), (1275, 157711), (1725, 116569), (1955, 102855), (5865, 34285), (6857, 29325), (9775, 20571)]