28451787

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{1171}}^1$

素因数の和:1283

約数の個数: 32

約数和(自身を含む): 47255040

約数和(自身を除く): 18803253

約数列:

[1, 3, 7, 13, 21, 39, 89, 91, 267, 273, 623, 1157, 1171, 1869, 3471, 3513, 8099, 8197, 15223, 24297, 24591, 45669, 104219, 106561, 312657, 319683, 729533, 1354847, 2188599, 4064541, 9483929, 28451787]

約数ペア:

[(1, 28451787), (3, 9483929), (7, 4064541), (13, 2188599), (21, 1354847), (39, 729533), (89, 319683), (91, 312657), (267, 106561), (273, 104219), (623, 45669), (1157, 24591), (1171, 24297), (1869, 15223), (3471, 8197), (3513, 8099)]