16979865

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:206

約数の個数: 64

約数和(自身を含む): 33177600

約数和(自身を除く): 16197735

約数列:

[1, 3, 5, 7, 15, 21, 23, 35, 69, 79, 89, 105, 115, 161, 237, 267, 345, 395, 445, 483, 553, 623, 805, 1185, 1335, 1659, 1817, 1869, 2047, 2415, 2765, 3115, 5451, 6141, 7031, 8295, 9085, 9345, 10235, 12719, 14329, 21093, 27255, 30705, 35155, 38157, 42987, 49217, 63595, 71645, 105465, 147651, 161713, 190785, 214935, 246085, 485139, 738255, 808565, 1131991, 2425695, 3395973, 5659955, 16979865]

約数ペア:

[(1, 16979865), (3, 5659955), (5, 3395973), (7, 2425695), (15, 1131991), (21, 808565), (23, 738255), (35, 485139), (69, 246085), (79, 214935), (89, 190785), (105, 161713), (115, 147651), (161, 105465), (237, 71645), (267, 63595), (345, 49217), (395, 42987), (445, 38157), (483, 35155), (553, 30705), (623, 27255), (805, 21093), (1185, 14329), (1335, 12719), (1659, 10235), (1817, 9345), (1869, 9085), (2047, 8295), (2415, 7031), (2765, 6141), (3115, 5451)]