71780835

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{1601}}^1$

素因数の和:1684

約数の個数: 48

約数和(自身を含む): 135875232

約数和(自身を除く): 64094397

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 61, 105, 147, 183, 245, 305, 427, 735, 915, 1281, 1601, 2135, 2989, 4803, 6405, 8005, 8967, 11207, 14945, 24015, 33621, 44835, 56035, 78449, 97661, 168105, 235347, 292983, 392245, 488305, 683627, 1176735, 1464915, 2050881, 3418135, 4785389, 10254405, 14356167, 23926945, 71780835]

約数ペア:

[(1, 71780835), (3, 23926945), (5, 14356167), (7, 10254405), (15, 4785389), (21, 3418135), (35, 2050881), (49, 1464915), (61, 1176735), (105, 683627), (147, 488305), (183, 392245), (245, 292983), (305, 235347), (427, 168105), (735, 97661), (915, 78449), (1281, 56035), (1601, 44835), (2135, 33621), (2989, 24015), (4803, 14945), (6405, 11207), (8005, 8967)]