61895673

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1$

素因数の和:211

約数の個数: 72

約数和(自身を含む): 112039200

約数和(自身を除く): 50143527

約数列:

[1, 3, 7, 9, 19, 21, 49, 57, 63, 83, 89, 133, 147, 171, 249, 267, 399, 441, 581, 623, 747, 801, 931, 1197, 1577, 1691, 1743, 1869, 2793, 4067, 4361, 4731, 5073, 5229, 5607, 7387, 8379, 11039, 11837, 12201, 13083, 14193, 15219, 22161, 33117, 35511, 36603, 39249, 51709, 66483, 77273, 82859, 99351, 106533, 140353, 155127, 231819, 248577, 361963, 421059, 465381, 695457, 745731, 982471, 1085889, 1263177, 2947413, 3257667, 6877297, 8842239, 20631891, 61895673]

約数ペア:

[(1, 61895673), (3, 20631891), (7, 8842239), (9, 6877297), (19, 3257667), (21, 2947413), (49, 1263177), (57, 1085889), (63, 982471), (83, 745731), (89, 695457), (133, 465381), (147, 421059), (171, 361963), (249, 248577), (267, 231819), (399, 155127), (441, 140353), (581, 106533), (623, 99351), (747, 82859), (801, 77273), (931, 66483), (1197, 51709), (1577, 39249), (1691, 36603), (1743, 35511), (1869, 33117), (2793, 22161), (4067, 15219), (4361, 14193), (4731, 13083), (5073, 12201), (5229, 11837), (5607, 11039), (7387, 8379)]