1889077251

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{449}}^1\times {\mathrm{563}}^1$

素因数の和:1115

約数の個数: 32

約数和(自身を含む): 2631398400

約数和(自身を除く): 742321149

約数列:

[1, 3, 47, 53, 141, 159, 449, 563, 1347, 1689, 2491, 7473, 21103, 23797, 26461, 29839, 63309, 71391, 79383, 89517, 252787, 758361, 1118459, 1402433, 3355377, 4207299, 11880989, 13397711, 35642967, 40193133, 629692417, 1889077251]

約数ペア:

[(1, 1889077251), (3, 629692417), (47, 40193133), (53, 35642967), (141, 13397711), (159, 11880989), (449, 4207299), (563, 3355377), (1347, 1402433), (1689, 1118459), (2491, 758361), (7473, 252787), (21103, 89517), (23797, 79383), (26461, 71391), (29839, 63309)]