1921185

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1$

素因数の和:147

約数の個数: 64

約数和(自身を含む): 4147200

約数和(自身を除く): 2226015

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 27, 35, 45, 57, 63, 95, 105, 107, 133, 135, 171, 189, 285, 315, 321, 399, 513, 535, 665, 749, 855, 945, 963, 1197, 1605, 1995, 2033, 2247, 2565, 2889, 3591, 3745, 4815, 5985, 6099, 6741, 10165, 11235, 14231, 14445, 17955, 18297, 20223, 30495, 33705, 42693, 54891, 71155, 91485, 101115, 128079, 213465, 274455, 384237, 640395, 1921185]

約数ペア:

[(1, 1921185), (3, 640395), (5, 384237), (7, 274455), (9, 213465), (15, 128079), (19, 101115), (21, 91485), (27, 71155), (35, 54891), (45, 42693), (57, 33705), (63, 30495), (95, 20223), (105, 18297), (107, 17955), (133, 14445), (135, 14231), (171, 11235), (189, 10165), (285, 6741), (315, 6099), (321, 5985), (399, 4815), (513, 3745), (535, 3591), (665, 2889), (749, 2565), (855, 2247), (945, 2033), (963, 1995), (1197, 1605)]