16787355

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1$

素因数の和:260

約数の個数: 64

約数和(自身を含む): 31933440

約数和(自身を除く): 15146085

約数列:

[1, 3, 5, 13, 15, 19, 23, 39, 57, 65, 69, 95, 115, 195, 197, 247, 285, 299, 345, 437, 591, 741, 897, 985, 1235, 1311, 1495, 2185, 2561, 2955, 3705, 3743, 4485, 4531, 5681, 6555, 7683, 11229, 12805, 13593, 17043, 18715, 22655, 28405, 38415, 48659, 56145, 58903, 67965, 85215, 86089, 145977, 176709, 243295, 258267, 294515, 430445, 729885, 883545, 1119157, 1291335, 3357471, 5595785, 16787355]

約数ペア:

[(1, 16787355), (3, 5595785), (5, 3357471), (13, 1291335), (15, 1119157), (19, 883545), (23, 729885), (39, 430445), (57, 294515), (65, 258267), (69, 243295), (95, 176709), (115, 145977), (195, 86089), (197, 85215), (247, 67965), (285, 58903), (299, 56145), (345, 48659), (437, 38415), (591, 28405), (741, 22655), (897, 18715), (985, 17043), (1235, 13593), (1311, 12805), (1495, 11229), (2185, 7683), (2561, 6555), (2955, 5681), (3705, 4531), (3743, 4485)]