222956517

素因数分解:

$3^1\times 7^3\times {\mathrm{389}}^1\times {\mathrm{557}}^1$

素因数の和:970

約数の個数: 32

約数和(自身を含む): 348192000

約数和(自身を除く): 125235483

約数列:

[1, 3, 7, 21, 49, 147, 343, 389, 557, 1029, 1167, 1671, 2723, 3899, 8169, 11697, 19061, 27293, 57183, 81879, 133427, 191051, 216673, 400281, 573153, 650019, 1516711, 4550133, 10616977, 31850931, 74318839, 222956517]

約数ペア:

[(1, 222956517), (3, 74318839), (7, 31850931), (21, 10616977), (49, 4550133), (147, 1516711), (343, 650019), (389, 573153), (557, 400281), (1029, 216673), (1167, 191051), (1671, 133427), (2723, 81879), (3899, 57183), (8169, 27293), (11697, 19061)]