42123195

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:165

約数の個数: 72

約数和(自身を含む): 80458560

約数和(自身を除く): 38335365

約数列:

[1, 3, 5, 9, 15, 17, 41, 45, 51, 79, 85, 123, 153, 205, 237, 255, 289, 369, 395, 615, 697, 711, 765, 867, 1185, 1343, 1445, 1845, 2091, 2601, 3239, 3485, 3555, 4029, 4335, 6273, 6715, 9717, 10455, 11849, 12087, 13005, 16195, 20145, 22831, 29151, 31365, 35547, 48585, 55063, 59245, 60435, 68493, 106641, 114155, 145755, 165189, 177735, 205479, 275315, 342465, 495567, 533205, 825945, 936071, 1027395, 2477835, 2808213, 4680355, 8424639, 14041065, 42123195]

約数ペア:

[(1, 42123195), (3, 14041065), (5, 8424639), (9, 4680355), (15, 2808213), (17, 2477835), (41, 1027395), (45, 936071), (51, 825945), (79, 533205), (85, 495567), (123, 342465), (153, 275315), (205, 205479), (237, 177735), (255, 165189), (289, 145755), (369, 114155), (395, 106641), (615, 68493), (697, 60435), (711, 59245), (765, 55063), (867, 48585), (1185, 35547), (1343, 31365), (1445, 29151), (1845, 22831), (2091, 20145), (2601, 16195), (3239, 13005), (3485, 12087), (3555, 11849), (4029, 10455), (4335, 9717), (6273, 6715)]