17993175

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:224

約数の個数: 48

約数和(自身を含む): 31426560

約数和(自身を除く): 13433385

約数列:

[1, 3, 5, 15, 25, 31, 71, 75, 93, 109, 155, 213, 327, 355, 465, 545, 775, 1065, 1635, 1775, 2201, 2325, 2725, 3379, 5325, 6603, 7739, 8175, 10137, 11005, 16895, 23217, 33015, 38695, 50685, 55025, 84475, 116085, 165075, 193475, 239909, 253425, 580425, 719727, 1199545, 3598635, 5997725, 17993175]

約数ペア:

[(1, 17993175), (3, 5997725), (5, 3598635), (15, 1199545), (25, 719727), (31, 580425), (71, 253425), (75, 239909), (93, 193475), (109, 165075), (155, 116085), (213, 84475), (327, 55025), (355, 50685), (465, 38695), (545, 33015), (775, 23217), (1065, 16895), (1635, 11005), (1775, 10137), (2201, 8175), (2325, 7739), (2725, 6603), (3379, 5325)]