206815095

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{439}}^1$

素因数の和:517

約数の個数: 72

約数和(自身を含む): 392277600

約数和(自身を除く): 185462505

約数列:

[1, 3, 5, 9, 15, 19, 29, 45, 57, 87, 95, 145, 171, 261, 285, 361, 435, 439, 551, 855, 1083, 1305, 1317, 1653, 1805, 2195, 2755, 3249, 3951, 4959, 5415, 6585, 8265, 8341, 10469, 12731, 16245, 19755, 24795, 25023, 31407, 38193, 41705, 52345, 63655, 75069, 94221, 114579, 125115, 157035, 158479, 190965, 241889, 375345, 471105, 475437, 572895, 725667, 792395, 1209445, 1426311, 2177001, 2377185, 3628335, 4595891, 7131555, 10885005, 13787673, 22979455, 41363019, 68938365, 206815095]

約数ペア:

[(1, 206815095), (3, 68938365), (5, 41363019), (9, 22979455), (15, 13787673), (19, 10885005), (29, 7131555), (45, 4595891), (57, 3628335), (87, 2377185), (95, 2177001), (145, 1426311), (171, 1209445), (261, 792395), (285, 725667), (361, 572895), (435, 475437), (439, 471105), (551, 375345), (855, 241889), (1083, 190965), (1305, 158479), (1317, 157035), (1653, 125115), (1805, 114579), (2195, 94221), (2755, 75069), (3249, 63655), (3951, 52345), (4959, 41705), (5415, 38193), (6585, 31407), (8265, 25023), (8341, 24795), (10469, 19755), (12731, 16245)]