16917999

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{389}}^1$

素因数の和:527

約数の個数: 32

約数和(自身を含む): 27456000

約数和(自身を除く): 10538001

約数列:

[1, 3, 7, 19, 21, 57, 109, 133, 327, 389, 399, 763, 1167, 2071, 2289, 2723, 6213, 7391, 8169, 14497, 22173, 42401, 43491, 51737, 127203, 155211, 296807, 805619, 890421, 2416857, 5639333, 16917999]

約数ペア:

[(1, 16917999), (3, 5639333), (7, 2416857), (19, 890421), (21, 805619), (57, 296807), (109, 155211), (133, 127203), (327, 51737), (389, 43491), (399, 42401), (763, 22173), (1167, 14497), (2071, 8169), (2289, 7391), (2723, 6213)]