16664415

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^2\times {\mathrm{1321}}^1$

素因数の和:1387

約数の個数: 24

約数和(自身を含む): 27635088

約数和(自身を除く): 10970673

約数列:

[1, 3, 5, 15, 29, 87, 145, 435, 841, 1321, 2523, 3963, 4205, 6605, 12615, 19815, 38309, 114927, 191545, 574635, 1110961, 3332883, 5554805, 16664415]

約数ペア:

[(1, 16664415), (3, 5554805), (5, 3332883), (15, 1110961), (29, 574635), (87, 191545), (145, 114927), (435, 38309), (841, 19815), (1321, 12615), (2523, 6605), (3963, 4205)]