25179903

素因数分解:

$3^5\times 7^1\times {\mathrm{113}}^1\times {\mathrm{131}}^1$

素因数の和:266

約数の個数: 48

約数和(自身を含む): 43819776

約数和(自身を除く): 18639873

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 113, 131, 189, 243, 339, 393, 567, 791, 917, 1017, 1179, 1701, 2373, 2751, 3051, 3537, 7119, 8253, 9153, 10611, 14803, 21357, 24759, 27459, 31833, 44409, 64071, 74277, 103621, 133227, 192213, 222831, 310863, 399681, 932589, 1199043, 2797767, 3597129, 8393301, 25179903]

約数ペア:

[(1, 25179903), (3, 8393301), (7, 3597129), (9, 2797767), (21, 1199043), (27, 932589), (63, 399681), (81, 310863), (113, 222831), (131, 192213), (189, 133227), (243, 103621), (339, 74277), (393, 64071), (567, 44409), (791, 31833), (917, 27459), (1017, 24759), (1179, 21357), (1701, 14803), (2373, 10611), (2751, 9153), (3051, 8253), (3537, 7119)]