25181331

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{823}}^1$

素因数の和:911

約数の個数: 32

約数和(自身を含む): 40501248

約数和(自身を除く): 15319917

約数列:

[1, 3, 7, 21, 31, 47, 93, 141, 217, 329, 651, 823, 987, 1457, 2469, 4371, 5761, 10199, 17283, 25513, 30597, 38681, 76539, 116043, 178591, 270767, 535773, 812301, 1199111, 3597333, 8393777, 25181331]

約数ペア:

[(1, 25181331), (3, 8393777), (7, 3597333), (21, 1199111), (31, 812301), (47, 535773), (93, 270767), (141, 178591), (217, 116043), (329, 76539), (651, 38681), (823, 30597), (987, 25513), (1457, 17283), (2469, 10199), (4371, 5761)]