289487235

素因数分解:

$3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{4057}}^1$

素因数の和:4203

約数の個数: 32

約数和(自身を含む): 476831232

約数和(自身を除く): 187343997

約数列:

[1, 3, 5, 15, 67, 71, 201, 213, 335, 355, 1005, 1065, 4057, 4757, 12171, 14271, 20285, 23785, 60855, 71355, 271819, 288047, 815457, 864141, 1359095, 1440235, 4077285, 4320705, 19299149, 57897447, 96495745, 289487235]

約数ペア:

[(1, 289487235), (3, 96495745), (5, 57897447), (15, 19299149), (67, 4320705), (71, 4077285), (201, 1440235), (213, 1359095), (335, 864141), (355, 815457), (1005, 288047), (1065, 271819), (4057, 71355), (4757, 60855), (12171, 23785), (14271, 20285)]