2021927427

素因数分解:

$3^7\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{197}}^1$

素因数の和:269

約数の個数: 96

約数和(自身を含む): 3464112960

約数和(自身を除く): 1442185533

約数列:

[1, 3, 9, 13, 19, 27, 39, 57, 81, 117, 171, 197, 243, 247, 351, 361, 513, 591, 729, 741, 1053, 1083, 1539, 1773, 2187, 2223, 2561, 3159, 3249, 3743, 4617, 4693, 5319, 6669, 7683, 9477, 9747, 11229, 13851, 14079, 15957, 20007, 23049, 28431, 29241, 33687, 41553, 42237, 47871, 48659, 60021, 69147, 71117, 87723, 101061, 126711, 143613, 145977, 180063, 207441, 213351, 263169, 303183, 380133, 430839, 437931, 540189, 622323, 640053, 789507, 909549, 924521, 1140399, 1313793, 1866969, 1920159, 2728647, 2773563, 3421197, 3941379, 5600907, 5760477, 8185941, 8320689, 10263591, 11824137, 17281431, 24962067, 35472411, 51844293, 74886201, 106417233, 155532879, 224658603, 673975809, 2021927427]

約数ペア:

[(1, 2021927427), (3, 673975809), (9, 224658603), (13, 155532879), (19, 106417233), (27, 74886201), (39, 51844293), (57, 35472411), (81, 24962067), (117, 17281431), (171, 11824137), (197, 10263591), (243, 8320689), (247, 8185941), (351, 5760477), (361, 5600907), (513, 3941379), (591, 3421197), (729, 2773563), (741, 2728647), (1053, 1920159), (1083, 1866969), (1539, 1313793), (1773, 1140399), (2187, 924521), (2223, 909549), (2561, 789507), (3159, 640053), (3249, 622323), (3743, 540189), (4617, 437931), (4693, 430839), (5319, 380133), (6669, 303183), (7683, 263169), (9477, 213351), (9747, 207441), (11229, 180063), (13851, 145977), (14079, 143613), (15957, 126711), (20007, 101061), (23049, 87723), (28431, 71117), (29241, 69147), (33687, 60021), (41553, 48659), (42237, 47871)]