87979215

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{1567}}^1$

素因数の和:1791

約数の個数: 32

約数和(自身を含む): 149022720

約数和(自身を除く): 61043505

約数列:

[1, 3, 5, 15, 19, 57, 95, 197, 285, 591, 985, 1567, 2955, 3743, 4701, 7835, 11229, 18715, 23505, 29773, 56145, 89319, 148865, 308699, 446595, 926097, 1543495, 4630485, 5865281, 17595843, 29326405, 87979215]

約数ペア:

[(1, 87979215), (3, 29326405), (5, 17595843), (15, 5865281), (19, 4630485), (57, 1543495), (95, 926097), (197, 446595), (285, 308699), (591, 148865), (985, 89319), (1567, 56145), (2955, 29773), (3743, 23505), (4701, 18715), (7835, 11229)]