39720279

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{229}}^1$

素因数の和:447

約数の個数: 32

約数和(自身を含む): 59616000

約数和(自身を除く): 19895721

約数列:

[1, 3, 17, 19, 51, 57, 179, 229, 323, 537, 687, 969, 3043, 3401, 3893, 4351, 9129, 10203, 11679, 13053, 40991, 57817, 73967, 122973, 173451, 221901, 696847, 778829, 2090541, 2336487, 13240093, 39720279]

約数ペア:

[(1, 39720279), (3, 13240093), (17, 2336487), (19, 2090541), (51, 778829), (57, 696847), (179, 221901), (229, 173451), (323, 122973), (537, 73967), (687, 57817), (969, 40991), (3043, 13053), (3401, 11679), (3893, 10203), (4351, 9129)]