11291985

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{281}}^1$

素因数の和:358

約数の個数: 48

約数和(自身を含む): 21116160

約数和(自身を除く): 9824175

約数列:

[1, 3, 5, 9, 15, 19, 45, 47, 57, 95, 141, 171, 235, 281, 285, 423, 705, 843, 855, 893, 1405, 2115, 2529, 2679, 4215, 4465, 5339, 8037, 12645, 13207, 13395, 16017, 26695, 39621, 40185, 48051, 66035, 80085, 118863, 198105, 240255, 250933, 594315, 752799, 1254665, 2258397, 3763995, 11291985]

約数ペア:

[(1, 11291985), (3, 3763995), (5, 2258397), (9, 1254665), (15, 752799), (19, 594315), (45, 250933), (47, 240255), (57, 198105), (95, 118863), (141, 80085), (171, 66035), (235, 48051), (281, 40185), (285, 39621), (423, 26695), (705, 16017), (843, 13395), (855, 13207), (893, 12645), (1405, 8037), (2115, 5339), (2529, 4465), (2679, 4215)]