243668685

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{977}}^1\times {\mathrm{1279}}^1$

素因数の和:2277

約数の個数: 32

約数和(自身を含む): 420618240

約数和(自身を除く): 176949555

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 977, 1279, 2931, 3837, 4885, 6395, 12701, 14655, 16627, 19185, 38103, 49881, 63505, 83135, 190515, 249405, 1249583, 3748749, 6247915, 16244579, 18743745, 48733737, 81222895, 243668685]

約数ペア:

[(1, 243668685), (3, 81222895), (5, 48733737), (13, 18743745), (15, 16244579), (39, 6247915), (65, 3748749), (195, 1249583), (977, 249405), (1279, 190515), (2931, 83135), (3837, 63505), (4885, 49881), (6395, 38103), (12701, 19185), (14655, 16627)]