90902289

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{401}}^1$

素因数の和:561

約数の個数: 32

約数和(自身を含む): 132370560

約数和(自身を除く): 41468271

約数列:

[1, 3, 19, 41, 57, 97, 123, 291, 401, 779, 1203, 1843, 2337, 3977, 5529, 7619, 11931, 16441, 22857, 38897, 49323, 75563, 116691, 226689, 312379, 739043, 937137, 1594777, 2217129, 4784331, 30300763, 90902289]

約数ペア:

[(1, 90902289), (3, 30300763), (19, 4784331), (41, 2217129), (57, 1594777), (97, 937137), (123, 739043), (291, 312379), (401, 226689), (779, 116691), (1203, 75563), (1843, 49323), (2337, 38897), (3977, 22857), (5529, 16441), (7619, 11931)]