7981323

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:235

約数の個数: 32

約数和(自身を含む): 12690432

約数和(自身を除く): 4709109

約数列:

[1, 3, 7, 21, 53, 71, 101, 159, 213, 303, 371, 497, 707, 1113, 1491, 2121, 3763, 5353, 7171, 11289, 16059, 21513, 26341, 37471, 50197, 79023, 112413, 150591, 380063, 1140189, 2660441, 7981323]

約数ペア:

[(1, 7981323), (3, 2660441), (7, 1140189), (21, 380063), (53, 150591), (71, 112413), (101, 79023), (159, 50197), (213, 37471), (303, 26341), (371, 21513), (497, 16059), (707, 11289), (1113, 7171), (1491, 5353), (2121, 3763)]