81303210

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{301123}}^1$

素因数の和:301139

約数の個数: 32

約数和(自身を含む): 216809280

約数和(自身を除く): 135506070

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 301123, 602246, 903369, 1505615, 1806738, 2710107, 3011230, 4516845, 5420214, 8130321, 9033690, 13550535, 16260642, 27101070, 40651605, 81303210]

約数ペア:

[(1, 81303210), (2, 40651605), (3, 27101070), (5, 16260642), (6, 13550535), (9, 9033690), (10, 8130321), (15, 5420214), (18, 4516845), (27, 3011230), (30, 2710107), (45, 1806738), (54, 1505615), (90, 903369), (135, 602246), (270, 301123)]