81723285

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{8369}}^1$

素因数の和:8418

約数の個数: 48

約数和(自身を含む): 167132160

約数和(自身を除く): 85408875

約数列:

[1, 3, 5, 7, 9, 15, 21, 31, 35, 45, 63, 93, 105, 155, 217, 279, 315, 465, 651, 1085, 1395, 1953, 3255, 8369, 9765, 25107, 41845, 58583, 75321, 125535, 175749, 259439, 292915, 376605, 527247, 778317, 878745, 1297195, 1816073, 2334951, 2636235, 3891585, 5448219, 9080365, 11674755, 16344657, 27241095, 81723285]

約数ペア:

[(1, 81723285), (3, 27241095), (5, 16344657), (7, 11674755), (9, 9080365), (15, 5448219), (21, 3891585), (31, 2636235), (35, 2334951), (45, 1816073), (63, 1297195), (93, 878745), (105, 778317), (155, 527247), (217, 376605), (279, 292915), (315, 259439), (465, 175749), (651, 125535), (1085, 75321), (1395, 58583), (1953, 41845), (3255, 25107), (8369, 9765)]