77778315

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{293}}^1\times {\mathrm{347}}^1$

素因数の和:668

約数の個数: 48

約数和(自身を含む): 143646048

約数和(自身を除く): 65867733

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 293, 347, 765, 879, 1041, 1465, 1735, 2637, 3123, 4395, 4981, 5205, 5899, 13185, 14943, 15615, 17697, 24905, 29495, 44829, 53091, 74715, 88485, 101671, 224145, 265455, 305013, 508355, 915039, 1525065, 1728407, 4575195, 5185221, 8642035, 15555663, 25926105, 77778315]

約数ペア:

[(1, 77778315), (3, 25926105), (5, 15555663), (9, 8642035), (15, 5185221), (17, 4575195), (45, 1728407), (51, 1525065), (85, 915039), (153, 508355), (255, 305013), (293, 265455), (347, 224145), (765, 101671), (879, 88485), (1041, 74715), (1465, 53091), (1735, 44829), (2637, 29495), (3123, 24905), (4395, 17697), (4981, 15615), (5205, 14943), (5899, 13185)]