421920909

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{521}}^1$

素因数の和:690

約数の個数: 48

約数和(自身を含む): 664485120

約数和(自身を除く): 242564211

約数列:

[1, 3, 9, 17, 51, 67, 79, 153, 201, 237, 521, 603, 711, 1139, 1343, 1563, 3417, 4029, 4689, 5293, 8857, 10251, 12087, 15879, 26571, 34907, 41159, 47637, 79713, 89981, 104721, 123477, 269943, 314163, 370431, 593419, 699703, 809829, 1780257, 2099109, 2757653, 5340771, 6297327, 8272959, 24818877, 46880101, 140640303, 421920909]

約数ペア:

[(1, 421920909), (3, 140640303), (9, 46880101), (17, 24818877), (51, 8272959), (67, 6297327), (79, 5340771), (153, 2757653), (201, 2099109), (237, 1780257), (521, 809829), (603, 699703), (711, 593419), (1139, 370431), (1343, 314163), (1563, 269943), (3417, 123477), (4029, 104721), (4689, 89981), (5293, 79713), (8857, 47637), (10251, 41159), (12087, 34907), (15879, 26571)]