1949475

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1$

素因数の和:180

約数の個数: 48

約数和(自身を含む): 3749760

約数和(自身を除く): 1800285

約数列:

[1, 3, 5, 11, 15, 17, 25, 33, 51, 55, 75, 85, 139, 165, 187, 255, 275, 417, 425, 561, 695, 825, 935, 1275, 1529, 2085, 2363, 2805, 3475, 4587, 4675, 7089, 7645, 10425, 11815, 14025, 22935, 25993, 35445, 38225, 59075, 77979, 114675, 129965, 177225, 389895, 649825, 1949475]

約数ペア:

[(1, 1949475), (3, 649825), (5, 389895), (11, 177225), (15, 129965), (17, 114675), (25, 77979), (33, 59075), (51, 38225), (55, 35445), (75, 25993), (85, 22935), (139, 14025), (165, 11815), (187, 10425), (255, 7645), (275, 7089), (417, 4675), (425, 4587), (561, 3475), (695, 2805), (825, 2363), (935, 2085), (1275, 1529)]