11712915

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{251}}^1$

素因数の和:340

約数の個数: 48

約数和(自身を含む): 21936096

約数和(自身を除く): 10223181

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 61, 85, 153, 183, 251, 255, 305, 549, 753, 765, 915, 1037, 1255, 2259, 2745, 3111, 3765, 4267, 5185, 9333, 11295, 12801, 15311, 15555, 21335, 38403, 45933, 46665, 64005, 76555, 137799, 192015, 229665, 260287, 688995, 780861, 1301435, 2342583, 3904305, 11712915]

約数ペア:

[(1, 11712915), (3, 3904305), (5, 2342583), (9, 1301435), (15, 780861), (17, 688995), (45, 260287), (51, 229665), (61, 192015), (85, 137799), (153, 76555), (183, 64005), (251, 46665), (255, 45933), (305, 38403), (549, 21335), (753, 15555), (765, 15311), (915, 12801), (1037, 11295), (1255, 9333), (2259, 5185), (2745, 4267), (3111, 3765)]