61987785

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1\times {\mathrm{827}}^1$

素因数の和:1117

約数の個数: 32

約数和(自身を含む): 104924160

約数和(自身を除く): 42936375

約数列:

[1, 3, 5, 15, 19, 57, 95, 263, 285, 789, 827, 1315, 2481, 3945, 4135, 4997, 12405, 14991, 15713, 24985, 47139, 74955, 78565, 217501, 235695, 652503, 1087505, 3262515, 4132519, 12397557, 20662595, 61987785]

約数ペア:

[(1, 61987785), (3, 20662595), (5, 12397557), (15, 4132519), (19, 3262515), (57, 1087505), (95, 652503), (263, 235695), (285, 217501), (789, 78565), (827, 74955), (1315, 47139), (2481, 24985), (3945, 15713), (4135, 14991), (4997, 12405)]