28223145

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{467}}^1$

素因数の和:574

約数の個数: 48

約数和(自身を含む): 52565760

約数和(自身を除く): 24342615

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 79, 85, 153, 237, 255, 395, 467, 711, 765, 1185, 1343, 1401, 2335, 3555, 4029, 4203, 6715, 7005, 7939, 12087, 20145, 21015, 23817, 36893, 39695, 60435, 71451, 110679, 119085, 184465, 332037, 357255, 553395, 627181, 1660185, 1881543, 3135905, 5644629, 9407715, 28223145]

約数ペア:

[(1, 28223145), (3, 9407715), (5, 5644629), (9, 3135905), (15, 1881543), (17, 1660185), (45, 627181), (51, 553395), (79, 357255), (85, 332037), (153, 184465), (237, 119085), (255, 110679), (395, 71451), (467, 60435), (711, 39695), (765, 36893), (1185, 23817), (1343, 21015), (1401, 20145), (2335, 12087), (3555, 7939), (4029, 7005), (4203, 6715)]