56581917

素因数分解:

$3^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1$

素因数の和:258

約数の個数: 48

約数和(自身を含む): 91907712

約数和(自身を除く): 35325795

約数列:

[1, 3, 7, 21, 37, 49, 101, 103, 111, 147, 259, 303, 309, 707, 721, 777, 1813, 2121, 2163, 3737, 3811, 4949, 5047, 5439, 10403, 11211, 11433, 14847, 15141, 26159, 26677, 31209, 72821, 78477, 80031, 183113, 186739, 218463, 384911, 509747, 549339, 560217, 1154733, 1529241, 2694377, 8083131, 18860639, 56581917]

約数ペア:

[(1, 56581917), (3, 18860639), (7, 8083131), (21, 2694377), (37, 1529241), (49, 1154733), (101, 560217), (103, 549339), (111, 509747), (147, 384911), (259, 218463), (303, 186739), (309, 183113), (707, 80031), (721, 78477), (777, 72821), (1813, 31209), (2121, 26677), (2163, 26159), (3737, 15141), (3811, 14847), (4949, 11433), (5047, 11211), (5439, 10403)]