215340909

素因数分解:

$3^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{68821}}^1$

素因数の和:68980

約数の個数: 16

約数和(自身を含む): 330345600

約数和(自身を除く): 115004691

約数列:

[1, 3, 7, 21, 149, 447, 1043, 3129, 68821, 206463, 481747, 1445241, 10254329, 30762987, 71780303, 215340909]

約数ペア:

[(1, 215340909), (3, 71780303), (7, 30762987), (21, 10254329), (149, 1445241), (447, 481747), (1043, 206463), (3129, 68821)]