210991641

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{3539}}^1$

素因数の和:3733

約数の個数: 32

約数和(自身を含む): 342558720

約数和(自身を除く): 131567079

約数列:

[1, 3, 7, 17, 21, 51, 119, 167, 357, 501, 1169, 2839, 3507, 3539, 8517, 10617, 19873, 24773, 59619, 60163, 74319, 180489, 421141, 591013, 1263423, 1773039, 4137091, 10047221, 12411273, 30141663, 70330547, 210991641]

約数ペア:

[(1, 210991641), (3, 70330547), (7, 30141663), (17, 12411273), (21, 10047221), (51, 4137091), (119, 1773039), (167, 1263423), (357, 591013), (501, 421141), (1169, 180489), (2839, 74319), (3507, 60163), (3539, 59619), (8517, 24773), (10617, 19873)]