16780185

素因数分解:

$3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{6113}}^1$

素因数の和:6185

約数の個数: 24

約数和(自身を含む): 29567304

約数和(自身を除く): 12787119

約数列:

[1, 3, 5, 9, 15, 45, 61, 183, 305, 549, 915, 2745, 6113, 18339, 30565, 55017, 91695, 275085, 372893, 1118679, 1864465, 3356037, 5593395, 16780185]

約数ペア:

[(1, 16780185), (3, 5593395), (5, 3356037), (9, 1864465), (15, 1118679), (45, 372893), (61, 275085), (183, 91695), (305, 55017), (549, 30565), (915, 18339), (2745, 6113)]