16420305

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{83}}^1\times {\mathrm{109}}^1$

素因数の和:222

約数の個数: 48

約数和(自身を含む): 29494080

約数和(自身を除く): 13073775

約数列:

[1, 3, 5, 11, 15, 33, 55, 83, 109, 121, 165, 249, 327, 363, 415, 545, 605, 913, 1199, 1245, 1635, 1815, 2739, 3597, 4565, 5995, 9047, 10043, 13189, 13695, 17985, 27141, 30129, 39567, 45235, 50215, 65945, 99517, 135705, 150645, 197835, 298551, 497585, 1094687, 1492755, 3284061, 5473435, 16420305]

約数ペア:

[(1, 16420305), (3, 5473435), (5, 3284061), (11, 1492755), (15, 1094687), (33, 497585), (55, 298551), (83, 197835), (109, 150645), (121, 135705), (165, 99517), (249, 65945), (327, 50215), (363, 45235), (415, 39567), (545, 30129), (605, 27141), (913, 17985), (1199, 13695), (1245, 13189), (1635, 10043), (1815, 9047), (2739, 5995), (3597, 4565)]