25123833

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{151}}^1$

素因数の和:322

約数の個数: 48

約数和(自身を含む): 44262400

約数和(自身を除く): 19138567

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 139, 151, 171, 399, 417, 453, 973, 1057, 1197, 1251, 1359, 2641, 2869, 2919, 3171, 7923, 8607, 8757, 9513, 18487, 20083, 20989, 23769, 25821, 55461, 60249, 62967, 146923, 166383, 180747, 188901, 398791, 440769, 1196373, 1322307, 2791537, 3589119, 8374611, 25123833]

約数ペア:

[(1, 25123833), (3, 8374611), (7, 3589119), (9, 2791537), (19, 1322307), (21, 1196373), (57, 440769), (63, 398791), (133, 188901), (139, 180747), (151, 166383), (171, 146923), (399, 62967), (417, 60249), (453, 55461), (973, 25821), (1057, 23769), (1197, 20989), (1251, 20083), (1359, 18487), (2641, 9513), (2869, 8757), (2919, 8607), (3171, 7923)]