16409439

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{193}}^1$

素因数の和:316

約数の個数: 32

約数和(自身を含む): 25328640

約数和(自身を除く): 8919201

約数列:

[1, 3, 9, 27, 47, 67, 141, 193, 201, 423, 579, 603, 1269, 1737, 1809, 3149, 5211, 9071, 9447, 12931, 27213, 28341, 38793, 81639, 85023, 116379, 244917, 349137, 607757, 1823271, 5469813, 16409439]

約数ペア:

[(1, 16409439), (3, 5469813), (9, 1823271), (27, 607757), (47, 349137), (67, 244917), (141, 116379), (193, 85023), (201, 81639), (423, 38793), (579, 28341), (603, 27213), (1269, 12931), (1737, 9447), (1809, 9071), (3149, 5211)]