81699105

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{7639}}^1$

素因数の和:7701

約数の個数: 32

約数和(自身を含む): 140820480

約数和(自身を除く): 59121375

約数列:

[1, 3, 5, 15, 23, 31, 69, 93, 115, 155, 345, 465, 713, 2139, 3565, 7639, 10695, 22917, 38195, 114585, 175697, 236809, 527091, 710427, 878485, 1184045, 2635455, 3552135, 5446607, 16339821, 27233035, 81699105]

約数ペア:

[(1, 81699105), (3, 27233035), (5, 16339821), (15, 5446607), (23, 3552135), (31, 2635455), (69, 1184045), (93, 878485), (115, 710427), (155, 527091), (345, 236809), (465, 175697), (713, 114585), (2139, 38195), (3565, 22917), (7639, 10695)]