23369985

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{599}}^1$

素因数の和:647

約数の個数: 48

約数和(自身を含む): 44208000

約数和(自身を除く): 20838015

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 85, 135, 153, 255, 289, 459, 599, 765, 867, 1445, 1797, 2295, 2601, 2995, 4335, 5391, 7803, 8985, 10183, 13005, 16173, 26955, 30549, 39015, 50915, 80865, 91647, 152745, 173111, 274941, 458235, 519333, 865555, 1374705, 1557999, 2596665, 4673997, 7789995, 23369985]

約数ペア:

[(1, 23369985), (3, 7789995), (5, 4673997), (9, 2596665), (15, 1557999), (17, 1374705), (27, 865555), (45, 519333), (51, 458235), (85, 274941), (135, 173111), (153, 152745), (255, 91647), (289, 80865), (459, 50915), (599, 39015), (765, 30549), (867, 26955), (1445, 16173), (1797, 13005), (2295, 10183), (2601, 8985), (2995, 7803), (4335, 5391)]