25180281

素因数分解:

$3^3\times 7^1\times {\mathrm{17}}^2\times {\mathrm{461}}^1$

素因数の和:511

約数の個数: 48

約数和(自身を含む): 45386880

約数和(自身を除く): 20206599

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 63, 119, 153, 189, 289, 357, 459, 461, 867, 1071, 1383, 2023, 2601, 3213, 3227, 4149, 6069, 7803, 7837, 9681, 12447, 18207, 23511, 29043, 54621, 54859, 70533, 87129, 133229, 164577, 211599, 399687, 493731, 932603, 1199061, 1481193, 2797809, 3597183, 8393427, 25180281]

約数ペア:

[(1, 25180281), (3, 8393427), (7, 3597183), (9, 2797809), (17, 1481193), (21, 1199061), (27, 932603), (51, 493731), (63, 399687), (119, 211599), (153, 164577), (189, 133229), (289, 87129), (357, 70533), (459, 54859), (461, 54621), (867, 29043), (1071, 23511), (1383, 18207), (2023, 12447), (2601, 9681), (3213, 7837), (3227, 7803), (4149, 6069)]