205928055

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{1693}}^1$

素因数の和:1777

約数の個数: 64

約数和(自身を含む): 395176320

約数和(自身を除く): 189248265

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 53, 85, 135, 153, 159, 255, 265, 459, 477, 765, 795, 901, 1431, 1693, 2295, 2385, 2703, 4505, 5079, 7155, 8109, 8465, 13515, 15237, 24327, 25395, 28781, 40545, 45711, 76185, 86343, 89729, 121635, 143905, 228555, 259029, 269187, 431715, 448645, 777087, 807561, 1295145, 1345935, 1525393, 2422683, 3885435, 4037805, 4576179, 7626965, 12113415, 13728537, 22880895, 41185611, 68642685, 205928055]

約数ペア:

[(1, 205928055), (3, 68642685), (5, 41185611), (9, 22880895), (15, 13728537), (17, 12113415), (27, 7626965), (45, 4576179), (51, 4037805), (53, 3885435), (85, 2422683), (135, 1525393), (153, 1345935), (159, 1295145), (255, 807561), (265, 777087), (459, 448645), (477, 431715), (765, 269187), (795, 259029), (901, 228555), (1431, 143905), (1693, 121635), (2295, 89729), (2385, 86343), (2703, 76185), (4505, 45711), (5079, 40545), (7155, 28781), (8109, 25395), (8465, 24327), (13515, 15237)]