25170117

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{317}}^1$

素因数の和:545

約数の個数: 32

約数和(自身を含む): 40704000

約数和(自身を除く): 15533883

約数列:

[1, 3, 7, 19, 21, 57, 133, 199, 317, 399, 597, 951, 1393, 2219, 3781, 4179, 6023, 6657, 11343, 18069, 26467, 42161, 63083, 79401, 126483, 189249, 441581, 1198577, 1324743, 3595731, 8390039, 25170117]

約数ペア:

[(1, 25170117), (3, 8390039), (7, 3595731), (19, 1324743), (21, 1198577), (57, 441581), (133, 189249), (199, 126483), (317, 79401), (399, 63083), (597, 42161), (951, 26467), (1393, 18069), (2219, 11343), (3781, 6657), (4179, 6023)]