204517395

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{3221}}^1$

素因数の和:3332

約数の個数: 48

約数和(自身を含む): 379989792

約数和(自身を除く): 175472397

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 83, 85, 153, 249, 255, 415, 747, 765, 1245, 1411, 3221, 3735, 4233, 7055, 9663, 12699, 16105, 21165, 28989, 48315, 54757, 63495, 144945, 164271, 267343, 273785, 492813, 802029, 821355, 1336715, 2406087, 2464065, 4010145, 4544831, 12030435, 13634493, 22724155, 40903479, 68172465, 204517395]

約数ペア:

[(1, 204517395), (3, 68172465), (5, 40903479), (9, 22724155), (15, 13634493), (17, 12030435), (45, 4544831), (51, 4010145), (83, 2464065), (85, 2406087), (153, 1336715), (249, 821355), (255, 802029), (415, 492813), (747, 273785), (765, 267343), (1245, 164271), (1411, 144945), (3221, 63495), (3735, 54757), (4233, 48315), (7055, 28989), (9663, 21165), (12699, 16105)]