15207628821

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{256163}}^1$

素因数の和:256441

約数の個数: 32

約数和(自身を含む): 25378679808

約数和(自身を除く): 10171050987

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 257, 771, 1799, 2827, 5397, 8481, 19789, 59367, 256163, 768489, 1793141, 2817793, 5379423, 8453379, 19724551, 59173653, 65833891, 197501673, 460837237, 724172801, 1382511711, 2172518403, 5069209607, 15207628821]

約数ペア:

[(1, 15207628821), (3, 5069209607), (7, 2172518403), (11, 1382511711), (21, 724172801), (33, 460837237), (77, 197501673), (231, 65833891), (257, 59173653), (771, 19724551), (1799, 8453379), (2827, 5379423), (5397, 2817793), (8481, 1793141), (19789, 768489), (59367, 256163)]