87989655

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{491}}^1\times {\mathrm{919}}^1$

素因数の和:1431

約数の個数: 32

約数和(自身を含む): 152087040

約数和(自身を除く): 64097385

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 491, 919, 1473, 2455, 2757, 4595, 6383, 7365, 11947, 13785, 19149, 31915, 35841, 59735, 95745, 179205, 451229, 1353687, 2256145, 5865977, 6768435, 17597931, 29329885, 87989655]

約数ペア:

[(1, 87989655), (3, 29329885), (5, 17597931), (13, 6768435), (15, 5865977), (39, 2256145), (65, 1353687), (195, 451229), (491, 179205), (919, 95745), (1473, 59735), (2455, 35841), (2757, 31915), (4595, 19149), (6383, 13785), (7365, 11947)]