17228421

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{389}}^1$

素因数の和:458

約数の個数: 48

約数和(自身を含む): 30825600

約数和(自身を除く): 13597179

約数列:

[1, 3, 7, 9, 19, 21, 37, 57, 63, 111, 133, 171, 259, 333, 389, 399, 703, 777, 1167, 1197, 2109, 2331, 2723, 3501, 4921, 6327, 7391, 8169, 14393, 14763, 22173, 24507, 43179, 44289, 51737, 66519, 100751, 129537, 155211, 273467, 302253, 465633, 820401, 906759, 1914269, 2461203, 5742807, 17228421]

約数ペア:

[(1, 17228421), (3, 5742807), (7, 2461203), (9, 1914269), (19, 906759), (21, 820401), (37, 465633), (57, 302253), (63, 273467), (111, 155211), (133, 129537), (171, 100751), (259, 66519), (333, 51737), (389, 44289), (399, 43179), (703, 24507), (777, 22173), (1167, 14763), (1197, 14393), (2109, 8169), (2331, 7391), (2723, 6327), (3501, 4921)]