66139905

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1$

素因数の和:250

約数の個数: 64

約数和(自身を含む): 119508480

約数和(自身を除く): 53368575

約数列:

[1, 3, 5, 13, 15, 37, 39, 65, 89, 103, 111, 185, 195, 267, 309, 445, 481, 515, 555, 1157, 1335, 1339, 1443, 1545, 2405, 3293, 3471, 3811, 4017, 5785, 6695, 7215, 9167, 9879, 11433, 16465, 17355, 19055, 20085, 27501, 42809, 45835, 49395, 49543, 57165, 119171, 128427, 137505, 148629, 214045, 247715, 339179, 357513, 595855, 642135, 743145, 1017537, 1695895, 1787565, 4409327, 5087685, 13227981, 22046635, 66139905]

約数ペア:

[(1, 66139905), (3, 22046635), (5, 13227981), (13, 5087685), (15, 4409327), (37, 1787565), (39, 1695895), (65, 1017537), (89, 743145), (103, 642135), (111, 595855), (185, 357513), (195, 339179), (267, 247715), (309, 214045), (445, 148629), (481, 137505), (515, 128427), (555, 119171), (1157, 57165), (1335, 49543), (1339, 49395), (1443, 45835), (1545, 42809), (2405, 27501), (3293, 20085), (3471, 19055), (3811, 17355), (4017, 16465), (5785, 11433), (6695, 9879), (7215, 9167)]