81752775

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{439}}^1$

素因数の和:656

約数の個数: 48

約数和(自身を含む): 146657280

約数和(自身を除く): 64904505

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 191, 195, 325, 439, 573, 955, 975, 1317, 2195, 2483, 2865, 4775, 5707, 6585, 7449, 10975, 12415, 14325, 17121, 28535, 32925, 37245, 62075, 83849, 85605, 142675, 186225, 251547, 419245, 428025, 1090037, 1257735, 2096225, 3270111, 5450185, 6288675, 16350555, 27250925, 81752775]

約数ペア:

[(1, 81752775), (3, 27250925), (5, 16350555), (13, 6288675), (15, 5450185), (25, 3270111), (39, 2096225), (65, 1257735), (75, 1090037), (191, 428025), (195, 419245), (325, 251547), (439, 186225), (573, 142675), (955, 85605), (975, 83849), (1317, 62075), (2195, 37245), (2483, 32925), (2865, 28535), (4775, 17121), (5707, 14325), (6585, 12415), (7449, 10975)]