28154457

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{659}}^1$

素因数の和:813

約数の個数: 24

約数和(自身を含む): 42007680

約数和(自身を除く): 13853223

約数列:

[1, 3, 9, 47, 101, 141, 303, 423, 659, 909, 1977, 4747, 5931, 14241, 30973, 42723, 66559, 92919, 199677, 278757, 599031, 3128273, 9384819, 28154457]

約数ペア:

[(1, 28154457), (3, 9384819), (9, 3128273), (47, 599031), (101, 278757), (141, 199677), (303, 92919), (423, 66559), (659, 42723), (909, 30973), (1977, 14241), (4747, 5931)]