2021880075

素因数分解:

$3^1\times 5^2\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{9403}}^1$

素因数の和:9524

約数の個数: 48

約数和(自身を含む): 3470301696

約数和(自身を除く): 1448421621

約数列:

[1, 3, 5, 15, 25, 47, 61, 75, 141, 183, 235, 305, 705, 915, 1175, 1525, 2867, 3525, 4575, 8601, 9403, 14335, 28209, 43005, 47015, 71675, 141045, 215025, 235075, 441941, 573583, 705225, 1325823, 1720749, 2209705, 2867915, 6629115, 8603745, 11048525, 14339575, 26958401, 33145575, 43018725, 80875203, 134792005, 404376015, 673960025, 2021880075]

約数ペア:

[(1, 2021880075), (3, 673960025), (5, 404376015), (15, 134792005), (25, 80875203), (47, 43018725), (61, 33145575), (75, 26958401), (141, 14339575), (183, 11048525), (235, 8603745), (305, 6629115), (705, 2867915), (915, 2209705), (1175, 1720749), (1525, 1325823), (2867, 705225), (3525, 573583), (4575, 441941), (8601, 235075), (9403, 215025), (14335, 141045), (28209, 71675), (43005, 47015)]