31398813

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{1021}}^1$

素因数の和:1114

約数の個数: 32

約数和(自身を含む): 50037120

約数和(自身を除く): 18638307

約数列:

[1, 3, 9, 17, 27, 51, 67, 153, 201, 459, 603, 1021, 1139, 1809, 3063, 3417, 9189, 10251, 17357, 27567, 30753, 52071, 68407, 156213, 205221, 468639, 615663, 1162919, 1846989, 3488757, 10466271, 31398813]

約数ペア:

[(1, 31398813), (3, 10466271), (9, 3488757), (17, 1846989), (27, 1162919), (51, 615663), (67, 468639), (153, 205221), (201, 156213), (459, 68407), (603, 52071), (1021, 30753), (1139, 27567), (1809, 17357), (3063, 10251), (3417, 9189)]