1245756421

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{3371}}^1$

素因数の和:3553

約数の個数: 32

約数和(自身を含む): 1595252736

約数和(自身を除く): 349496315

約数列:

[1, 7, 13, 31, 91, 131, 217, 403, 917, 1703, 2821, 3371, 4061, 11921, 23597, 28427, 43823, 52793, 104501, 306761, 369551, 441601, 731507, 1358513, 3091207, 5740813, 9509591, 13689631, 40185691, 95827417, 177965203, 1245756421]

約数ペア:

[(1, 1245756421), (7, 177965203), (13, 95827417), (31, 40185691), (91, 13689631), (131, 9509591), (217, 5740813), (403, 3091207), (917, 1358513), (1703, 731507), (2821, 441601), (3371, 369551), (4061, 306761), (11921, 104501), (23597, 52793), (28427, 43823)]