74872863

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1$

素因数の和:253

約数の個数: 64

約数和(自身を含む): 128128000

約数和(自身を除く): 53255137

約数列:

[1, 3, 9, 13, 19, 27, 39, 57, 103, 109, 117, 171, 247, 309, 327, 351, 513, 741, 927, 981, 1339, 1417, 1957, 2071, 2223, 2781, 2943, 4017, 4251, 5871, 6213, 6669, 11227, 12051, 12753, 17613, 18639, 25441, 26923, 33681, 36153, 38259, 52839, 55917, 76323, 80769, 101043, 145951, 213313, 228969, 242307, 303129, 437853, 639939, 686907, 726921, 1313559, 1919817, 2773069, 3940677, 5759451, 8319207, 24957621, 74872863]

約数ペア:

[(1, 74872863), (3, 24957621), (9, 8319207), (13, 5759451), (19, 3940677), (27, 2773069), (39, 1919817), (57, 1313559), (103, 726921), (109, 686907), (117, 639939), (171, 437853), (247, 303129), (309, 242307), (327, 228969), (351, 213313), (513, 145951), (741, 101043), (927, 80769), (981, 76323), (1339, 55917), (1417, 52839), (1957, 38259), (2071, 36153), (2223, 33681), (2781, 26923), (2943, 25441), (4017, 18639), (4251, 17613), (5871, 12753), (6213, 12051), (6669, 11227)]