25361973

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{179}}^1$

素因数の和:378

約数の個数: 48

約数和(自身を含む): 45601920

約数和(自身を除く): 20239947

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 173, 179, 273, 519, 537, 819, 1211, 1253, 1557, 1611, 2249, 2327, 3633, 3759, 6747, 6981, 10899, 11277, 15743, 16289, 20241, 20943, 30967, 47229, 48867, 92901, 141687, 146601, 216769, 278703, 402571, 650307, 1207713, 1950921, 2817997, 3623139, 8453991, 25361973]

約数ペア:

[(1, 25361973), (3, 8453991), (7, 3623139), (9, 2817997), (13, 1950921), (21, 1207713), (39, 650307), (63, 402571), (91, 278703), (117, 216769), (173, 146601), (179, 141687), (273, 92901), (519, 48867), (537, 47229), (819, 30967), (1211, 20943), (1253, 20241), (1557, 16289), (1611, 15743), (2249, 11277), (2327, 10899), (3633, 6981), (3759, 6747)]