80353287

素因数分解:

$3^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1$

素因数の和:213

約数の個数: 72

約数和(自身を含む): 143339040

約数和(自身を除く): 62985753

約数列:

[1, 3, 7, 9, 21, 29, 49, 61, 63, 87, 103, 147, 183, 203, 261, 309, 427, 441, 549, 609, 721, 927, 1281, 1421, 1769, 1827, 2163, 2987, 2989, 3843, 4263, 5047, 5307, 6283, 6489, 8961, 8967, 12383, 12789, 15141, 15921, 18849, 20909, 26883, 26901, 37149, 43981, 45423, 56547, 62727, 86681, 111447, 131943, 146363, 182207, 188181, 260043, 307867, 395829, 439089, 546621, 780129, 923601, 1275449, 1317267, 1639863, 2770803, 3826347, 8928143, 11479041, 26784429, 80353287]

約数ペア:

[(1, 80353287), (3, 26784429), (7, 11479041), (9, 8928143), (21, 3826347), (29, 2770803), (49, 1639863), (61, 1317267), (63, 1275449), (87, 923601), (103, 780129), (147, 546621), (183, 439089), (203, 395829), (261, 307867), (309, 260043), (427, 188181), (441, 182207), (549, 146363), (609, 131943), (721, 111447), (927, 86681), (1281, 62727), (1421, 56547), (1769, 45423), (1827, 43981), (2163, 37149), (2987, 26901), (2989, 26883), (3843, 20909), (4263, 18849), (5047, 15921), (5307, 15141), (6283, 12789), (6489, 12383), (8961, 8967)]