87681993

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{143977}}^1$

素因数の和:144016

約数の個数: 16

約数和(自身を含む): 138218880

約数和(自身を除く): 50536887

約数列:

[1, 3, 7, 21, 29, 87, 203, 609, 143977, 431931, 1007839, 3023517, 4175333, 12525999, 29227331, 87681993]

約数ペア:

[(1, 87681993), (3, 29227331), (7, 12525999), (21, 4175333), (29, 3023517), (87, 1007839), (203, 431931), (609, 143977)]