71293971

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{607}}^1$

素因数の和:688

約数の個数: 48

約数和(自身を含む): 119771136

約数和(自身を除く): 48477165

約数列:

[1, 3, 7, 17, 21, 47, 49, 51, 119, 141, 147, 329, 357, 607, 799, 833, 987, 1821, 2303, 2397, 2499, 4249, 5593, 6909, 10319, 12747, 16779, 28529, 29743, 30957, 39151, 72233, 85587, 89229, 117453, 199703, 216699, 484993, 505631, 599109, 1397921, 1454979, 1516893, 3394951, 4193763, 10184853, 23764657, 71293971]

約数ペア:

[(1, 71293971), (3, 23764657), (7, 10184853), (17, 4193763), (21, 3394951), (47, 1516893), (49, 1454979), (51, 1397921), (119, 599109), (141, 505631), (147, 484993), (329, 216699), (357, 199703), (607, 117453), (799, 89229), (833, 85587), (987, 72233), (1821, 39151), (2303, 30957), (2397, 29743), (2499, 28529), (4249, 16779), (5593, 12747), (6909, 10319)]