68687619

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{257}}^1$

素因数の和:380

約数の個数: 64

約数和(自身を含む): 124830720

約数和(自身を除く): 56143101

約数列:

[1, 3, 7, 11, 13, 21, 33, 39, 77, 89, 91, 143, 231, 257, 267, 273, 429, 623, 771, 979, 1001, 1157, 1799, 1869, 2827, 2937, 3003, 3341, 3471, 5397, 6853, 8099, 8481, 10023, 12727, 19789, 20559, 22873, 23387, 24297, 36751, 38181, 59367, 68619, 70161, 89089, 110253, 160111, 251603, 257257, 267267, 297349, 480333, 754809, 771771, 892047, 1761221, 2081443, 3270839, 5283663, 6244329, 9812517, 22895873, 68687619]

約数ペア:

[(1, 68687619), (3, 22895873), (7, 9812517), (11, 6244329), (13, 5283663), (21, 3270839), (33, 2081443), (39, 1761221), (77, 892047), (89, 771771), (91, 754809), (143, 480333), (231, 297349), (257, 267267), (267, 257257), (273, 251603), (429, 160111), (623, 110253), (771, 89089), (979, 70161), (1001, 68619), (1157, 59367), (1799, 38181), (1869, 36751), (2827, 24297), (2937, 23387), (3003, 22873), (3341, 20559), (3471, 19789), (5397, 12727), (6853, 10023), (8099, 8481)]