68647605

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{1787}}^1$

素因数の和:2005

約数の個数: 32

約数和(自身を含む): 118952064

約数和(自身を除く): 50304459

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 197, 591, 985, 1787, 2561, 2955, 5361, 7683, 8935, 12805, 23231, 26805, 38415, 69693, 116155, 348465, 352039, 1056117, 1760195, 4576507, 5280585, 13729521, 22882535, 68647605]

約数ペア:

[(1, 68647605), (3, 22882535), (5, 13729521), (13, 5280585), (15, 4576507), (39, 1760195), (65, 1056117), (195, 352039), (197, 348465), (591, 116155), (985, 69693), (1787, 38415), (2561, 26805), (2955, 23231), (5361, 12805), (7683, 8935)]