28796229

素因数分解:

$3^9\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1$

素因数の和:64

約数の個数: 80

約数和(自身を含む): 56686080

約数和(自身を除く): 27889851

約数列:

[1, 3, 7, 9, 11, 19, 21, 27, 33, 57, 63, 77, 81, 99, 133, 171, 189, 209, 231, 243, 297, 399, 513, 567, 627, 693, 729, 891, 1197, 1463, 1539, 1701, 1881, 2079, 2187, 2673, 3591, 4389, 4617, 5103, 5643, 6237, 6561, 8019, 10773, 13167, 13851, 15309, 16929, 18711, 19683, 24057, 32319, 39501, 41553, 45927, 50787, 56133, 72171, 96957, 118503, 124659, 137781, 152361, 168399, 216513, 290871, 355509, 373977, 457083, 505197, 872613, 1066527, 1371249, 1515591, 2617839, 3199581, 4113747, 9598743, 28796229]

約数ペア:

[(1, 28796229), (3, 9598743), (7, 4113747), (9, 3199581), (11, 2617839), (19, 1515591), (21, 1371249), (27, 1066527), (33, 872613), (57, 505197), (63, 457083), (77, 373977), (81, 355509), (99, 290871), (133, 216513), (171, 168399), (189, 152361), (209, 137781), (231, 124659), (243, 118503), (297, 96957), (399, 72171), (513, 56133), (567, 50787), (627, 45927), (693, 41553), (729, 39501), (891, 32319), (1197, 24057), (1463, 19683), (1539, 18711), (1701, 16929), (1881, 15309), (2079, 13851), (2187, 13167), (2673, 10773), (3591, 8019), (4389, 6561), (4617, 6237), (5103, 5643)]