25405395

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{1487}}^1$

素因数の和:1579

約数の個数: 32

約数和(自身を含む): 43711488

約数和(自身を除く): 18306093

約数列:

[1, 3, 5, 15, 17, 51, 67, 85, 201, 255, 335, 1005, 1139, 1487, 3417, 4461, 5695, 7435, 17085, 22305, 25279, 75837, 99629, 126395, 298887, 379185, 498145, 1494435, 1693693, 5081079, 8468465, 25405395]

約数ペア:

[(1, 25405395), (3, 8468465), (5, 5081079), (15, 1693693), (17, 1494435), (51, 498145), (67, 379185), (85, 298887), (201, 126395), (255, 99629), (335, 75837), (1005, 25279), (1139, 22305), (1487, 17085), (3417, 7435), (4461, 5695)]