2021695725

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1\times {\mathrm{523}}^1$

素因数の和:779

約数の個数: 96

約数和(自身を含む): 3950540800

約数和(自身を除く): 1928845075

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 37, 75, 105, 111, 175, 185, 199, 259, 523, 525, 555, 597, 777, 925, 995, 1295, 1393, 1569, 2615, 2775, 2985, 3661, 3885, 4179, 4975, 6475, 6965, 7363, 7845, 10983, 13075, 14925, 18305, 19351, 19425, 20895, 22089, 34825, 36815, 39225, 51541, 54915, 58053, 91525, 96755, 104077, 104475, 110445, 135457, 154623, 184075, 257705, 274575, 290265, 312231, 406371, 483775, 520385, 552225, 677285, 728539, 773115, 1288525, 1451325, 1561155, 2031855, 2185617, 2601925, 3386425, 3642695, 3850849, 3865575, 7805775, 10159275, 10928085, 11552547, 18213475, 19254245, 26955943, 54640425, 57762735, 80867829, 96271225, 134779715, 288813675, 404339145, 673898575, 2021695725]

約数ペア:

[(1, 2021695725), (3, 673898575), (5, 404339145), (7, 288813675), (15, 134779715), (21, 96271225), (25, 80867829), (35, 57762735), (37, 54640425), (75, 26955943), (105, 19254245), (111, 18213475), (175, 11552547), (185, 10928085), (199, 10159275), (259, 7805775), (523, 3865575), (525, 3850849), (555, 3642695), (597, 3386425), (777, 2601925), (925, 2185617), (995, 2031855), (1295, 1561155), (1393, 1451325), (1569, 1288525), (2615, 773115), (2775, 728539), (2985, 677285), (3661, 552225), (3885, 520385), (4179, 483775), (4975, 406371), (6475, 312231), (6965, 290265), (7363, 274575), (7845, 257705), (10983, 184075), (13075, 154623), (14925, 135457), (18305, 110445), (19351, 104475), (19425, 104077), (20895, 96755), (22089, 91525), (34825, 58053), (36815, 54915), (39225, 51541)]