215536815

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{643}}^1$

素因数の和:861

約数の個数: 64

約数和(自身を含む): 415457280

約数和(自身を除く): 199920465

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 117, 135, 191, 195, 351, 573, 585, 643, 955, 1719, 1755, 1929, 2483, 2865, 3215, 5157, 5787, 7449, 8359, 8595, 9645, 12415, 17361, 22347, 25077, 25785, 28935, 37245, 41795, 67041, 75231, 86805, 111735, 122813, 125385, 225693, 335205, 368439, 376155, 614065, 1105317, 1128465, 1596569, 1842195, 3315951, 4789707, 5526585, 7982845, 14369121, 16579755, 23948535, 43107363, 71845605, 215536815]

約数ペア:

[(1, 215536815), (3, 71845605), (5, 43107363), (9, 23948535), (13, 16579755), (15, 14369121), (27, 7982845), (39, 5526585), (45, 4789707), (65, 3315951), (117, 1842195), (135, 1596569), (191, 1128465), (195, 1105317), (351, 614065), (573, 376155), (585, 368439), (643, 335205), (955, 225693), (1719, 125385), (1755, 122813), (1929, 111735), (2483, 86805), (2865, 75231), (3215, 67041), (5157, 41795), (5787, 37245), (7449, 28935), (8359, 25785), (8595, 25077), (9645, 22347), (12415, 17361)]