209219985

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{3541}}^1$

素因数の和:3666

約数の個数: 48

約数和(自身を含む): 394522128

約数和(自身を除く): 185302143

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 101, 117, 195, 303, 505, 585, 909, 1313, 1515, 3541, 3939, 4545, 6565, 10623, 11817, 17705, 19695, 31869, 46033, 53115, 59085, 138099, 159345, 230165, 357641, 414297, 690495, 1072923, 1788205, 2071485, 3218769, 4649333, 5364615, 13947999, 16093845, 23246665, 41843997, 69739995, 209219985]

約数ペア:

[(1, 209219985), (3, 69739995), (5, 41843997), (9, 23246665), (13, 16093845), (15, 13947999), (39, 5364615), (45, 4649333), (65, 3218769), (101, 2071485), (117, 1788205), (195, 1072923), (303, 690495), (505, 414297), (585, 357641), (909, 230165), (1313, 159345), (1515, 138099), (3541, 59085), (3939, 53115), (4545, 46033), (6565, 31869), (10623, 19695), (11817, 17705)]