64687959

素因数分解:

$3^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:324

約数の個数: 48

約数和(自身を含む): 110073600

約数和(自身を除く): 45385641

約数列:

[1, 3, 7, 9, 21, 63, 83, 89, 139, 249, 267, 417, 581, 623, 747, 801, 973, 1251, 1743, 1869, 2919, 5229, 5607, 7387, 8757, 11537, 12371, 22161, 34611, 37113, 51709, 66483, 80759, 86597, 103833, 111339, 155127, 242277, 259791, 465381, 726831, 779373, 1026793, 3080379, 7187551, 9241137, 21562653, 64687959]

約数ペア:

[(1, 64687959), (3, 21562653), (7, 9241137), (9, 7187551), (21, 3080379), (63, 1026793), (83, 779373), (89, 726831), (139, 465381), (249, 259791), (267, 242277), (417, 155127), (581, 111339), (623, 103833), (747, 86597), (801, 80759), (973, 66483), (1251, 51709), (1743, 37113), (1869, 34611), (2919, 22161), (5229, 12371), (5607, 11537), (7387, 8757)]