40751721

素因数分解:

$3^3\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{227}}^1$

素因数の和:406

約数の個数: 32

約数和(自身を含む): 62198400

約数和(自身を除く): 21446679

約数列:

[1, 3, 9, 27, 61, 109, 183, 227, 327, 549, 681, 981, 1647, 2043, 2943, 6129, 6649, 13847, 19947, 24743, 41541, 59841, 74229, 124623, 179523, 222687, 373869, 668061, 1509323, 4527969, 13583907, 40751721]

約数ペア:

[(1, 40751721), (3, 13583907), (9, 4527969), (27, 1509323), (61, 668061), (109, 373869), (183, 222687), (227, 179523), (327, 124623), (549, 74229), (681, 59841), (981, 41541), (1647, 24743), (2043, 19947), (2943, 13847), (6129, 6649)]