71890203

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1933}}^1$

素因数の和:1984

約数の個数: 48

約数和(自身を含む): 126994176

約数和(自身を除く): 55103973

約数列:

[1, 3, 7, 11, 21, 23, 33, 49, 69, 77, 147, 161, 231, 253, 483, 539, 759, 1127, 1617, 1771, 1933, 3381, 5313, 5799, 12397, 13531, 21263, 37191, 40593, 44459, 63789, 94717, 133377, 148841, 284151, 311213, 446523, 489049, 933639, 1041887, 1467147, 2178491, 3125661, 3423343, 6535473, 10270029, 23963401, 71890203]

約数ペア:

[(1, 71890203), (3, 23963401), (7, 10270029), (11, 6535473), (21, 3423343), (23, 3125661), (33, 2178491), (49, 1467147), (69, 1041887), (77, 933639), (147, 489049), (161, 446523), (231, 311213), (253, 284151), (483, 148841), (539, 133377), (759, 94717), (1127, 63789), (1617, 44459), (1771, 40593), (1933, 37191), (3381, 21263), (5313, 13531), (5799, 12397)]