291421395

素因数分解:

$3^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{4703}}^1$

素因数の和:4743

約数の個数: 56

約数和(自身を含む): 555278976

約数和(自身を除く): 263857581

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 81, 85, 135, 153, 243, 255, 405, 459, 729, 765, 1215, 1377, 2295, 3645, 4131, 4703, 6885, 12393, 14109, 20655, 23515, 42327, 61965, 70545, 79951, 126981, 211635, 239853, 380943, 399755, 634905, 719559, 1142829, 1199265, 1904715, 2158677, 3428487, 3597795, 5714145, 6476031, 10793385, 17142435, 19428093, 32380155, 58284279, 97140465, 291421395]

約数ペア:

[(1, 291421395), (3, 97140465), (5, 58284279), (9, 32380155), (15, 19428093), (17, 17142435), (27, 10793385), (45, 6476031), (51, 5714145), (81, 3597795), (85, 3428487), (135, 2158677), (153, 1904715), (243, 1199265), (255, 1142829), (405, 719559), (459, 634905), (729, 399755), (765, 380943), (1215, 239853), (1377, 211635), (2295, 126981), (3645, 79951), (4131, 70545), (4703, 61965), (6885, 42327), (12393, 23515), (14109, 20655)]