87720621

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{101}}^1\times {\mathrm{149}}^1$

素因数の和:349

約数の個数: 32

約数和(自身を含む): 124848000

約数和(自身を除く): 37127379

約数列:

[1, 3, 29, 67, 87, 101, 149, 201, 303, 447, 1943, 2929, 4321, 5829, 6767, 8787, 9983, 12963, 15049, 20301, 29949, 45147, 196243, 289507, 436421, 588729, 868521, 1008283, 1309263, 3024849, 29240207, 87720621]

約数ペア:

[(1, 87720621), (3, 29240207), (29, 3024849), (67, 1309263), (87, 1008283), (101, 868521), (149, 588729), (201, 436421), (303, 289507), (447, 196243), (1943, 45147), (2929, 29949), (4321, 20301), (5829, 15049), (6767, 12963), (8787, 9983)]