198802395

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{1259}}^1$

素因数の和:1321

約数の個数: 72

約数和(自身を含む): 392137200

約数和(自身を除く): 193334805

約数列:

[1, 3, 5, 9, 11, 15, 29, 33, 45, 55, 87, 99, 121, 145, 165, 261, 319, 363, 435, 495, 605, 957, 1089, 1259, 1305, 1595, 1815, 2871, 3509, 3777, 4785, 5445, 6295, 10527, 11331, 13849, 14355, 17545, 18885, 31581, 36511, 41547, 52635, 56655, 69245, 109533, 124641, 152339, 157905, 182555, 207735, 328599, 401621, 457017, 547665, 623205, 761695, 1204863, 1371051, 1642995, 2008105, 2285085, 3614589, 4417831, 6024315, 6855255, 13253493, 18072945, 22089155, 39760479, 66267465, 198802395]

約数ペア:

[(1, 198802395), (3, 66267465), (5, 39760479), (9, 22089155), (11, 18072945), (15, 13253493), (29, 6855255), (33, 6024315), (45, 4417831), (55, 3614589), (87, 2285085), (99, 2008105), (121, 1642995), (145, 1371051), (165, 1204863), (261, 761695), (319, 623205), (363, 547665), (435, 457017), (495, 401621), (605, 328599), (957, 207735), (1089, 182555), (1259, 157905), (1305, 152339), (1595, 124641), (1815, 109533), (2871, 69245), (3509, 56655), (3777, 52635), (4785, 41547), (5445, 36511), (6295, 31581), (10527, 18885), (11331, 17545), (13849, 14355)]