71973405

素因数分解:

$3^2\times 5^1\times 7^3\times {\mathrm{4663}}^1$

素因数の和:4695

約数の個数: 48

約数和(自身を含む): 145516800

約数和(自身を除く): 73543395

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 147, 245, 315, 343, 441, 735, 1029, 1715, 2205, 3087, 4663, 5145, 13989, 15435, 23315, 32641, 41967, 69945, 97923, 163205, 209835, 228487, 293769, 489615, 685461, 1142435, 1468845, 1599409, 2056383, 3427305, 4798227, 7997045, 10281915, 14394681, 23991135, 71973405]

約数ペア:

[(1, 71973405), (3, 23991135), (5, 14394681), (7, 10281915), (9, 7997045), (15, 4798227), (21, 3427305), (35, 2056383), (45, 1599409), (49, 1468845), (63, 1142435), (105, 685461), (147, 489615), (245, 293769), (315, 228487), (343, 209835), (441, 163205), (735, 97923), (1029, 69945), (1715, 41967), (2205, 32641), (3087, 23315), (4663, 15435), (5145, 13989)]