71205705

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1\times {\mathrm{257}}^1$

素因数の和:446

約数の個数: 48

約数和(自身を含む): 127505664

約数和(自身を除く): 56299959

約数列:

[1, 3, 5, 9, 15, 45, 47, 131, 141, 235, 257, 393, 423, 655, 705, 771, 1179, 1285, 1965, 2115, 2313, 3855, 5895, 6157, 11565, 12079, 18471, 30785, 33667, 36237, 55413, 60395, 92355, 101001, 108711, 168335, 181185, 277065, 303003, 505005, 543555, 1515015, 1582349, 4747047, 7911745, 14241141, 23735235, 71205705]

約数ペア:

[(1, 71205705), (3, 23735235), (5, 14241141), (9, 7911745), (15, 4747047), (45, 1582349), (47, 1515015), (131, 543555), (141, 505005), (235, 303003), (257, 277065), (393, 181185), (423, 168335), (655, 108711), (705, 101001), (771, 92355), (1179, 60395), (1285, 55413), (1965, 36237), (2115, 33667), (2313, 30785), (3855, 18471), (5895, 12079), (6157, 11565)]