81489492

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{323371}}^1$

素因数の和:323388

約数の個数: 36

約数和(自身を含む): 235414816

約数和(自身を除く): 153925324

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 323371, 646742, 970113, 1293484, 1940226, 2263597, 2910339, 3880452, 4527194, 5820678, 6790791, 9054388, 11641356, 13581582, 20372373, 27163164, 40744746, 81489492]

約数ペア:

[(1, 81489492), (2, 40744746), (3, 27163164), (4, 20372373), (6, 13581582), (7, 11641356), (9, 9054388), (12, 6790791), (14, 5820678), (18, 4527194), (21, 3880452), (28, 2910339), (36, 2263597), (42, 1940226), (63, 1293484), (84, 970113), (126, 646742), (252, 323371)]