12783915

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{983}}^1$

素因数の和:1028

約数の個数: 36

約数和(自身を含む): 23562864

約数和(自身を除く): 10778949

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 289, 765, 867, 983, 1445, 2601, 2949, 4335, 4915, 8847, 13005, 14745, 16711, 44235, 50133, 83555, 150399, 250665, 284087, 751995, 852261, 1420435, 2556783, 4261305, 12783915]

約数ペア:

[(1, 12783915), (3, 4261305), (5, 2556783), (9, 1420435), (15, 852261), (17, 751995), (45, 284087), (51, 250665), (85, 150399), (153, 83555), (255, 50133), (289, 44235), (765, 16711), (867, 14745), (983, 13005), (1445, 8847), (2601, 4915), (2949, 4335)]