25391751

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{383}}^1$

素因数の和:452

約数の個数: 48

約数和(自身を含む): 44126208

約数和(自身を除く): 18734457

約数列:

[1, 3, 7, 11, 21, 33, 41, 49, 77, 123, 147, 231, 287, 383, 451, 539, 861, 1149, 1353, 1617, 2009, 2681, 3157, 4213, 6027, 8043, 9471, 12639, 15703, 18767, 22099, 29491, 47109, 56301, 66297, 88473, 109921, 172733, 206437, 329763, 518199, 619311, 769447, 1209131, 2308341, 3627393, 8463917, 25391751]

約数ペア:

[(1, 25391751), (3, 8463917), (7, 3627393), (11, 2308341), (21, 1209131), (33, 769447), (41, 619311), (49, 518199), (77, 329763), (123, 206437), (147, 172733), (231, 109921), (287, 88473), (383, 66297), (451, 56301), (539, 47109), (861, 29491), (1149, 22099), (1353, 18767), (1617, 15703), (2009, 12639), (2681, 9471), (3157, 8043), (4213, 6027)]