1900383855

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{1297}}^1$

素因数の和:1496

約数の個数: 64

約数和(自身を含む): 3301613568

約数和(自身を除く): 1401229713

約数列:

[1, 3, 5, 15, 23, 31, 69, 93, 115, 137, 155, 345, 411, 465, 685, 713, 1297, 2055, 2139, 3151, 3565, 3891, 4247, 6485, 9453, 10695, 12741, 15755, 19455, 21235, 29831, 40207, 47265, 63705, 89493, 97681, 120621, 149155, 177689, 201035, 293043, 447465, 488405, 533067, 603105, 888445, 924761, 1465215, 2665335, 2774283, 4086847, 4623805, 5508359, 12260541, 13871415, 16525077, 20434235, 27541795, 61302705, 82625385, 126692257, 380076771, 633461285, 1900383855]

約数ペア:

[(1, 1900383855), (3, 633461285), (5, 380076771), (15, 126692257), (23, 82625385), (31, 61302705), (69, 27541795), (93, 20434235), (115, 16525077), (137, 13871415), (155, 12260541), (345, 5508359), (411, 4623805), (465, 4086847), (685, 2774283), (713, 2665335), (1297, 1465215), (2055, 924761), (2139, 888445), (3151, 603105), (3565, 533067), (3891, 488405), (4247, 447465), (6485, 293043), (9453, 201035), (10695, 177689), (12741, 149155), (15755, 120621), (19455, 97681), (21235, 89493), (29831, 63705), (40207, 47265)]