15406587

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{211}}^1$

素因数の和:304

約数の個数: 48

約数和(自身を含む): 27339520

約数和(自身を除く): 11932933

約数列:

[1, 3, 7, 9, 19, 21, 57, 61, 63, 133, 171, 183, 211, 399, 427, 549, 633, 1159, 1197, 1281, 1477, 1899, 3477, 3843, 4009, 4431, 8113, 10431, 12027, 12871, 13293, 24339, 28063, 36081, 38613, 73017, 84189, 90097, 115839, 244549, 252567, 270291, 733647, 810873, 1711843, 2200941, 5135529, 15406587]

約数ペア:

[(1, 15406587), (3, 5135529), (7, 2200941), (9, 1711843), (19, 810873), (21, 733647), (57, 270291), (61, 252567), (63, 244549), (133, 115839), (171, 90097), (183, 84189), (211, 73017), (399, 38613), (427, 36081), (549, 28063), (633, 24339), (1159, 13293), (1197, 12871), (1281, 12027), (1477, 10431), (1899, 8113), (3477, 4431), (3843, 4009)]