221735529

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{191}}^1$

素因数の和:323

約数の個数: 64

約数和(自身を含む): 363724800

約数和(自身を除く): 141989271

約数列:

[1, 3, 9, 19, 27, 31, 57, 73, 93, 171, 191, 219, 279, 513, 573, 589, 657, 837, 1387, 1719, 1767, 1971, 2263, 3629, 4161, 5157, 5301, 5921, 6789, 10887, 12483, 13943, 15903, 17763, 20367, 32661, 37449, 41829, 42997, 53289, 61101, 97983, 112499, 125487, 128991, 159867, 264917, 337497, 376461, 386973, 432233, 794751, 1012491, 1160919, 1296699, 2384253, 3037473, 3890097, 7152759, 8212427, 11670291, 24637281, 73911843, 221735529]

約数ペア:

[(1, 221735529), (3, 73911843), (9, 24637281), (19, 11670291), (27, 8212427), (31, 7152759), (57, 3890097), (73, 3037473), (93, 2384253), (171, 1296699), (191, 1160919), (219, 1012491), (279, 794751), (513, 432233), (573, 386973), (589, 376461), (657, 337497), (837, 264917), (1387, 159867), (1719, 128991), (1767, 125487), (1971, 112499), (2263, 97983), (3629, 61101), (4161, 53289), (5157, 42997), (5301, 41829), (5921, 37449), (6789, 32661), (10887, 20367), (12483, 17763), (13943, 15903)]