64491693

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{197}}^1$

素因数の和:362

約数の個数: 48

約数和(自身を含む): 107262144

約数和(自身を除く): 42770451

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 131, 147, 197, 357, 393, 591, 833, 917, 1379, 2227, 2499, 2751, 3349, 4137, 6419, 6681, 9653, 10047, 15589, 19257, 23443, 25807, 28959, 46767, 70329, 77421, 109123, 164101, 180649, 327369, 438719, 492303, 541947, 1264543, 1316157, 3071033, 3793629, 9213099, 21497231, 64491693]

約数ペア:

[(1, 64491693), (3, 21497231), (7, 9213099), (17, 3793629), (21, 3071033), (49, 1316157), (51, 1264543), (119, 541947), (131, 492303), (147, 438719), (197, 327369), (357, 180649), (393, 164101), (591, 109123), (833, 77421), (917, 70329), (1379, 46767), (2227, 28959), (2499, 25807), (2751, 23443), (3349, 19257), (4137, 15589), (6419, 10047), (6681, 9653)]