16918995

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1543}}^1$

素因数の和:1611

約数の個数: 32

約数和(自身を含む): 29348352

約数和(自身を除く): 12429357

約数列:

[1, 3, 5, 15, 17, 43, 51, 85, 129, 215, 255, 645, 731, 1543, 2193, 3655, 4629, 7715, 10965, 23145, 26231, 66349, 78693, 131155, 199047, 331745, 393465, 995235, 1127933, 3383799, 5639665, 16918995]

約数ペア:

[(1, 16918995), (3, 5639665), (5, 3383799), (15, 1127933), (17, 995235), (43, 393465), (51, 331745), (85, 199047), (129, 131155), (215, 78693), (255, 66349), (645, 26231), (731, 23145), (1543, 10965), (2193, 7715), (3655, 4629)]