31998081

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:249

約数の個数: 32

約数和(自身を含む): 45964800

約数和(自身を除く): 13966719

約数列:

[1, 3, 37, 41, 79, 89, 111, 123, 237, 267, 1517, 2923, 3239, 3293, 3649, 4551, 7031, 8769, 9717, 9879, 10947, 21093, 119843, 135013, 260147, 288271, 359529, 405039, 780441, 864813, 10666027, 31998081]

約数ペア:

[(1, 31998081), (3, 10666027), (37, 864813), (41, 780441), (79, 405039), (89, 359529), (111, 288271), (123, 260147), (237, 135013), (267, 119843), (1517, 21093), (2923, 10947), (3239, 9879), (3293, 9717), (3649, 8769), (4551, 7031)]