26760975

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{151}}^1$

素因数の和:320

約数の個数: 48

約数和(自身を含む): 47496960

約数和(自身を除く): 20735985

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 139, 151, 255, 417, 425, 453, 695, 755, 1275, 2085, 2265, 2363, 2567, 3475, 3775, 7089, 7701, 10425, 11325, 11815, 12835, 20989, 35445, 38505, 59075, 62967, 64175, 104945, 177225, 192525, 314835, 356813, 524725, 1070439, 1574175, 1784065, 5352195, 8920325, 26760975]

約数ペア:

[(1, 26760975), (3, 8920325), (5, 5352195), (15, 1784065), (17, 1574175), (25, 1070439), (51, 524725), (75, 356813), (85, 314835), (139, 192525), (151, 177225), (255, 104945), (417, 64175), (425, 62967), (453, 59075), (695, 38505), (755, 35445), (1275, 20989), (2085, 12835), (2265, 11815), (2363, 11325), (2567, 10425), (3475, 7701), (3775, 7089)]