31223031

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{487}}^1$

素因数の和:611

約数の個数: 32

約数和(自身を含む): 49471488

約数和(自身を除く): 18248457

約数列:

[1, 3, 7, 21, 43, 71, 129, 213, 301, 487, 497, 903, 1461, 1491, 3053, 3409, 9159, 10227, 20941, 21371, 34577, 62823, 64113, 103731, 146587, 242039, 439761, 726117, 1486811, 4460433, 10407677, 31223031]

約数ペア:

[(1, 31223031), (3, 10407677), (7, 4460433), (21, 1486811), (43, 726117), (71, 439761), (129, 242039), (213, 146587), (301, 103731), (487, 64113), (497, 62823), (903, 34577), (1461, 21371), (1491, 20941), (3053, 10227), (3409, 9159)]