27720752925

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{6389}}^1$

素因数の和:6543

約数の個数: 96

約数和(自身を含む): 50318029440

約数和(自身を除く): 22597276515

約数列:

[1, 3, 5, 15, 17, 25, 41, 51, 75, 83, 85, 123, 205, 249, 255, 415, 425, 615, 697, 1025, 1245, 1275, 1411, 2075, 2091, 3075, 3403, 3485, 4233, 6225, 6389, 7055, 10209, 10455, 17015, 17425, 19167, 21165, 31945, 35275, 51045, 52275, 57851, 85075, 95835, 105825, 108613, 159725, 173553, 255225, 261949, 289255, 325839, 479175, 530287, 543065, 785847, 867765, 1309745, 1446275, 1590861, 1629195, 2651435, 2715325, 3929235, 4338825, 4453133, 6548725, 7954305, 8145975, 9014879, 13257175, 13359399, 19646175, 21741767, 22265665, 27044637, 39771525, 45074395, 65225301, 66796995, 108708835, 111328325, 135223185, 225371975, 326126505, 333984975, 369610039, 543544175, 676115925, 1108830117, 1630632525, 1848050195, 5544150585, 9240250975, 27720752925]

約数ペア:

[(1, 27720752925), (3, 9240250975), (5, 5544150585), (15, 1848050195), (17, 1630632525), (25, 1108830117), (41, 676115925), (51, 543544175), (75, 369610039), (83, 333984975), (85, 326126505), (123, 225371975), (205, 135223185), (249, 111328325), (255, 108708835), (415, 66796995), (425, 65225301), (615, 45074395), (697, 39771525), (1025, 27044637), (1245, 22265665), (1275, 21741767), (1411, 19646175), (2075, 13359399), (2091, 13257175), (3075, 9014879), (3403, 8145975), (3485, 7954305), (4233, 6548725), (6225, 4453133), (6389, 4338825), (7055, 3929235), (10209, 2715325), (10455, 2651435), (17015, 1629195), (17425, 1590861), (19167, 1446275), (21165, 1309745), (31945, 867765), (35275, 785847), (51045, 543065), (52275, 530287), (57851, 479175), (85075, 325839), (95835, 289255), (105825, 261949), (108613, 255225), (159725, 173553)]