987156765

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{2221}}^1$

素因数の和:2339

約数の個数: 96

約数和(自身を含む): 2096430336

約数和(自身を除く): 1109273571

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 35, 45, 51, 63, 83, 85, 105, 119, 153, 249, 255, 315, 357, 415, 581, 595, 747, 765, 1071, 1245, 1411, 1743, 1785, 2221, 2905, 3735, 4233, 5229, 5355, 6663, 7055, 8715, 9877, 11105, 12699, 15547, 19989, 21165, 26145, 29631, 33315, 37757, 46641, 49385, 63495, 77735, 88893, 99945, 113271, 139923, 148155, 184343, 188785, 233205, 264299, 339813, 444465, 553029, 566355, 699615, 792897, 921715, 1290401, 1321495, 1659087, 1699065, 2378691, 2765145, 3133831, 3871203, 3964485, 6452005, 8295435, 9401493, 11613609, 11893455, 15669155, 19356015, 21936817, 28204479, 47007465, 58068045, 65810451, 109684085, 141022395, 197431353, 329052255, 987156765]

約数ペア:

[(1, 987156765), (3, 329052255), (5, 197431353), (7, 141022395), (9, 109684085), (15, 65810451), (17, 58068045), (21, 47007465), (35, 28204479), (45, 21936817), (51, 19356015), (63, 15669155), (83, 11893455), (85, 11613609), (105, 9401493), (119, 8295435), (153, 6452005), (249, 3964485), (255, 3871203), (315, 3133831), (357, 2765145), (415, 2378691), (581, 1699065), (595, 1659087), (747, 1321495), (765, 1290401), (1071, 921715), (1245, 792897), (1411, 699615), (1743, 566355), (1785, 553029), (2221, 444465), (2905, 339813), (3735, 264299), (4233, 233205), (5229, 188785), (5355, 184343), (6663, 148155), (7055, 139923), (8715, 113271), (9877, 99945), (11105, 88893), (12699, 77735), (15547, 63495), (19989, 49385), (21165, 46641), (26145, 37757), (29631, 33315)]