23968215

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{97}}^1$

素因数の和:161

約数の個数: 72

約数和(自身を含む): 46934160

約数和(自身を除く): 22965945

約数列:

[1, 3, 5, 9, 15, 17, 19, 45, 51, 57, 85, 95, 97, 153, 171, 255, 285, 289, 291, 323, 485, 765, 855, 867, 873, 969, 1445, 1455, 1615, 1649, 1843, 2601, 2907, 4335, 4365, 4845, 4947, 5491, 5529, 8245, 9215, 13005, 14535, 14841, 16473, 16587, 24735, 27455, 27645, 28033, 31331, 49419, 74205, 82365, 82935, 84099, 93993, 140165, 156655, 247095, 252297, 281979, 420495, 469965, 532627, 1261485, 1409895, 1597881, 2663135, 4793643, 7989405, 23968215]

約数ペア:

[(1, 23968215), (3, 7989405), (5, 4793643), (9, 2663135), (15, 1597881), (17, 1409895), (19, 1261485), (45, 532627), (51, 469965), (57, 420495), (85, 281979), (95, 252297), (97, 247095), (153, 156655), (171, 140165), (255, 93993), (285, 84099), (289, 82935), (291, 82365), (323, 74205), (485, 49419), (765, 31331), (855, 28033), (867, 27645), (873, 27455), (969, 24735), (1445, 16587), (1455, 16473), (1615, 14841), (1649, 14535), (1843, 13005), (2601, 9215), (2907, 8245), (4335, 5529), (4365, 5491), (4845, 4947)]