211020117

素因数分解:

$3^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{181}}^1$

素因数の和:319

約数の個数: 64

約数和(自身を含む): 363417600

約数和(自身を除く): 152397483

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 103, 147, 181, 231, 309, 343, 539, 543, 721, 1029, 1133, 1267, 1617, 1991, 2163, 3399, 3773, 3801, 5047, 5973, 7931, 8869, 11319, 13937, 15141, 18643, 23793, 26607, 35329, 41811, 55517, 55929, 62083, 97559, 105987, 130501, 166551, 186249, 205073, 292677, 388619, 391503, 615219, 682913, 913507, 1165857, 1435511, 2048739, 2740521, 4306533, 6394549, 10048577, 19183647, 30145731, 70340039, 211020117]

約数ペア:

[(1, 211020117), (3, 70340039), (7, 30145731), (11, 19183647), (21, 10048577), (33, 6394549), (49, 4306533), (77, 2740521), (103, 2048739), (147, 1435511), (181, 1165857), (231, 913507), (309, 682913), (343, 615219), (539, 391503), (543, 388619), (721, 292677), (1029, 205073), (1133, 186249), (1267, 166551), (1617, 130501), (1991, 105987), (2163, 97559), (3399, 62083), (3773, 55929), (3801, 55517), (5047, 41811), (5973, 35329), (7931, 26607), (8869, 23793), (11319, 18643), (13937, 15141)]