71573691

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{601}}^1$

素因数の和:771

約数の個数: 32

約数和(自身を含む): 112347648

約数和(自身を除く): 40773957

約数列:

[1, 3, 7, 21, 53, 107, 159, 321, 371, 601, 749, 1113, 1803, 2247, 4207, 5671, 12621, 17013, 31853, 39697, 64307, 95559, 119091, 192921, 222971, 450149, 668913, 1350447, 3408271, 10224813, 23857897, 71573691]

約数ペア:

[(1, 71573691), (3, 23857897), (7, 10224813), (21, 3408271), (53, 1350447), (107, 668913), (159, 450149), (321, 222971), (371, 192921), (601, 119091), (749, 95559), (1113, 64307), (1803, 39697), (2247, 31853), (4207, 17013), (5671, 12621)]