219902499

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:233

約数の個数: 64

約数和(自身を含む): 352358400

約数和(自身を除く): 132455901

約数列:

[1, 3, 9, 27, 31, 59, 61, 73, 93, 177, 183, 219, 279, 531, 549, 657, 837, 1593, 1647, 1829, 1891, 1971, 2263, 3599, 4307, 4453, 5487, 5673, 6789, 10797, 12921, 13359, 16461, 17019, 20367, 32391, 38763, 40077, 49383, 51057, 61101, 97173, 111569, 116289, 120231, 133517, 138043, 262727, 334707, 400551, 414129, 788181, 1004121, 1201653, 1242387, 2364543, 3012363, 3604959, 3727161, 7093629, 8144537, 24433611, 73300833, 219902499]

約数ペア:

[(1, 219902499), (3, 73300833), (9, 24433611), (27, 8144537), (31, 7093629), (59, 3727161), (61, 3604959), (73, 3012363), (93, 2364543), (177, 1242387), (183, 1201653), (219, 1004121), (279, 788181), (531, 414129), (549, 400551), (657, 334707), (837, 262727), (1593, 138043), (1647, 133517), (1829, 120231), (1891, 116289), (1971, 111569), (2263, 97173), (3599, 61101), (4307, 51057), (4453, 49383), (5487, 40077), (5673, 38763), (6789, 32391), (10797, 20367), (12921, 17019), (13359, 16461)]