64239021

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^2\times {\mathrm{53}}^2$

素因数の和:144

約数の個数: 72

約数和(自身を含む): 121849280

約数和(自身を除く): 57610259

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 53, 63, 77, 99, 121, 159, 189, 231, 297, 363, 371, 477, 583, 693, 847, 1089, 1113, 1431, 1749, 2079, 2541, 2809, 3267, 3339, 4081, 5247, 6413, 7623, 8427, 10017, 12243, 15741, 19239, 19663, 22869, 25281, 30899, 36729, 44891, 57717, 58989, 75843, 92697, 110187, 134673, 173151, 176967, 216293, 278091, 339889, 404019, 530901, 648879, 834273, 1019667, 1212057, 1946637, 2379223, 3059001, 5839911, 7137669, 9177003, 21413007, 64239021]

約数ペア:

[(1, 64239021), (3, 21413007), (7, 9177003), (9, 7137669), (11, 5839911), (21, 3059001), (27, 2379223), (33, 1946637), (53, 1212057), (63, 1019667), (77, 834273), (99, 648879), (121, 530901), (159, 404019), (189, 339889), (231, 278091), (297, 216293), (363, 176967), (371, 173151), (477, 134673), (583, 110187), (693, 92697), (847, 75843), (1089, 58989), (1113, 57717), (1431, 44891), (1749, 36729), (2079, 30899), (2541, 25281), (2809, 22869), (3267, 19663), (3339, 19239), (4081, 15741), (5247, 12243), (6413, 10017), (7623, 8427)]