28329939

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1$

素因数の和:249

約数の個数: 64

約数和(自身を含む): 50319360

約数和(自身を除く): 21989421

約数列:

[1, 3, 9, 11, 17, 27, 31, 33, 51, 93, 99, 153, 181, 187, 279, 297, 341, 459, 527, 543, 561, 837, 1023, 1581, 1629, 1683, 1991, 3069, 3077, 4743, 4887, 5049, 5611, 5797, 5973, 9207, 9231, 14229, 16833, 17391, 17919, 27693, 33847, 50499, 52173, 53757, 61721, 83079, 95387, 101541, 151497, 156519, 185163, 286161, 304623, 555489, 858483, 913869, 1049257, 1666467, 2575449, 3147771, 9443313, 28329939]

約数ペア:

[(1, 28329939), (3, 9443313), (9, 3147771), (11, 2575449), (17, 1666467), (27, 1049257), (31, 913869), (33, 858483), (51, 555489), (93, 304623), (99, 286161), (153, 185163), (181, 156519), (187, 151497), (279, 101541), (297, 95387), (341, 83079), (459, 61721), (527, 53757), (543, 52173), (561, 50499), (837, 33847), (1023, 27693), (1581, 17919), (1629, 17391), (1683, 16833), (1991, 14229), (3069, 9231), (3077, 9207), (4743, 5973), (4887, 5797), (5049, 5611)]