201224991

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{487}}^1\times {\mathrm{659}}^1$

素因数の和:1179

約数の個数: 32

約数和(自身を含む): 309196800

約数和(自身を除く): 107971809

約数列:

[1, 3, 11, 19, 33, 57, 209, 487, 627, 659, 1461, 1977, 5357, 7249, 9253, 12521, 16071, 21747, 27759, 37563, 101783, 137731, 305349, 320933, 413193, 962799, 3530263, 6097727, 10590789, 18293181, 67074997, 201224991]

約数ペア:

[(1, 201224991), (3, 67074997), (11, 18293181), (19, 10590789), (33, 6097727), (57, 3530263), (209, 962799), (487, 413193), (627, 320933), (659, 305349), (1461, 137731), (1977, 101783), (5357, 37563), (7249, 27759), (9253, 21747), (12521, 16071)]