25210941

素因数分解:

$3^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1$

素因数の和:194

約数の個数: 48

約数和(自身を含む): 41368320

約数和(自身を除く): 16157379

約数列:

[1, 3, 7, 21, 41, 47, 49, 89, 123, 141, 147, 267, 287, 329, 623, 861, 987, 1869, 1927, 2009, 2303, 3649, 4183, 4361, 5781, 6027, 6909, 10947, 12549, 13083, 13489, 25543, 29281, 40467, 76629, 87843, 94423, 171503, 178801, 204967, 283269, 514509, 536403, 614901, 1200521, 3601563, 8403647, 25210941]

約数ペア:

[(1, 25210941), (3, 8403647), (7, 3601563), (21, 1200521), (41, 614901), (47, 536403), (49, 514509), (89, 283269), (123, 204967), (141, 178801), (147, 171503), (267, 94423), (287, 87843), (329, 76629), (623, 40467), (861, 29281), (987, 25543), (1869, 13489), (1927, 13083), (2009, 12549), (2303, 10947), (3649, 6909), (4183, 6027), (4361, 5781)]