209780403

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{5647}}^1$

素因数の和:5747

約数の個数: 32

約数和(自身を含む): 336168960

約数和(自身を除く): 126388557

約数列:

[1, 3, 7, 21, 29, 61, 87, 183, 203, 427, 609, 1281, 1769, 5307, 5647, 12383, 16941, 37149, 39529, 118587, 163763, 344467, 491289, 1033401, 1146341, 2411269, 3439023, 7233807, 9989543, 29968629, 69926801, 209780403]

約数ペア:

[(1, 209780403), (3, 69926801), (7, 29968629), (21, 9989543), (29, 7233807), (61, 3439023), (87, 2411269), (183, 1146341), (203, 1033401), (427, 491289), (609, 344467), (1281, 163763), (1769, 118587), (5307, 39529), (5647, 37149), (12383, 16941)]