26438625

素因数分解:

$3^2\times 5^3\times {\mathrm{71}}^1\times {\mathrm{331}}^1$

素因数の和:423

約数の個数: 48

約数和(自身を含む): 48477312

約数和(自身を除く): 22038687

約数列:

[1, 3, 5, 9, 15, 25, 45, 71, 75, 125, 213, 225, 331, 355, 375, 639, 993, 1065, 1125, 1655, 1775, 2979, 3195, 4965, 5325, 8275, 8875, 14895, 15975, 23501, 24825, 26625, 41375, 70503, 74475, 79875, 117505, 124125, 211509, 352515, 372375, 587525, 1057545, 1762575, 2937625, 5287725, 8812875, 26438625]

約数ペア:

[(1, 26438625), (3, 8812875), (5, 5287725), (9, 2937625), (15, 1762575), (25, 1057545), (45, 587525), (71, 372375), (75, 352515), (125, 211509), (213, 124125), (225, 117505), (331, 79875), (355, 74475), (375, 70503), (639, 41375), (993, 26625), (1065, 24825), (1125, 23501), (1655, 15975), (1775, 14895), (2979, 8875), (3195, 8275), (4965, 5325)]