69021981

素因数分解:

$3^2\times 7^1\times {\mathrm{337}}^1\times {\mathrm{3251}}^1$

素因数の和:3601

約数の個数: 24

約数和(自身を含む): 114314304

約数和(自身を除く): 45292323

約数列:

[1, 3, 7, 9, 21, 63, 337, 1011, 2359, 3033, 3251, 7077, 9753, 21231, 22757, 29259, 68271, 204813, 1095587, 3286761, 7669109, 9860283, 23007327, 69021981]

約数ペア:

[(1, 69021981), (3, 23007327), (7, 9860283), (9, 7669109), (21, 3286761), (63, 1095587), (337, 204813), (1011, 68271), (2359, 29259), (3033, 22757), (3251, 21231), (7077, 9753)]