1688894019

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{241}}^1\times {\mathrm{281}}^1$

素因数の和:708

約数の個数: 48

約数和(自身を含む): 2618931744

約数和(自身を除く): 930037725

約数列:

[1, 3, 9, 17, 51, 153, 163, 241, 281, 489, 723, 843, 1467, 2169, 2529, 2771, 4097, 4777, 8313, 12291, 14331, 24939, 36873, 39283, 42993, 45803, 67721, 117849, 137409, 203163, 353547, 412227, 609489, 667811, 778651, 1151257, 2003433, 2335953, 3453771, 6010299, 7007859, 10361313, 11038523, 33115569, 99346707, 187654891, 562964673, 1688894019]

約数ペア:

[(1, 1688894019), (3, 562964673), (9, 187654891), (17, 99346707), (51, 33115569), (153, 11038523), (163, 10361313), (241, 7007859), (281, 6010299), (489, 3453771), (723, 2335953), (843, 2003433), (1467, 1151257), (2169, 778651), (2529, 667811), (2771, 609489), (4097, 412227), (4777, 353547), (8313, 203163), (12291, 137409), (14331, 117849), (24939, 67721), (36873, 45803), (39283, 42993)]