12972195

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:220

約数の個数: 48

約数和(自身を含む): 23587200

約数和(自身を除く): 10615005

約数列:

[1, 3, 5, 9, 15, 41, 45, 79, 89, 123, 205, 237, 267, 369, 395, 445, 615, 711, 801, 1185, 1335, 1845, 3239, 3555, 3649, 4005, 7031, 9717, 10947, 16195, 18245, 21093, 29151, 32841, 35155, 48585, 54735, 63279, 105465, 145755, 164205, 288271, 316395, 864813, 1441355, 2594439, 4324065, 12972195]

約数ペア:

[(1, 12972195), (3, 4324065), (5, 2594439), (9, 1441355), (15, 864813), (41, 316395), (45, 288271), (79, 164205), (89, 145755), (123, 105465), (205, 63279), (237, 54735), (267, 48585), (369, 35155), (395, 32841), (445, 29151), (615, 21093), (711, 18245), (801, 16195), (1185, 10947), (1335, 9717), (1845, 7031), (3239, 4005), (3555, 3649)]