1969131825

素因数分解:

$3^2\times 5^2\times {\mathrm{127}}^1\times {\mathrm{137}}^1\times {\mathrm{503}}^1$

素因数の和:783

約数の個数: 72

約数和(自身を含む): 3587770368

約数和(自身を除く): 1618638543

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 127, 137, 225, 381, 411, 503, 635, 685, 1143, 1233, 1509, 1905, 2055, 2515, 3175, 3425, 4527, 5715, 6165, 7545, 9525, 10275, 12575, 17399, 22635, 28575, 30825, 37725, 52197, 63881, 68911, 86995, 113175, 156591, 191643, 206733, 260985, 319405, 344555, 434975, 574929, 620199, 782955, 958215, 1033665, 1304925, 1597025, 1722775, 2874645, 3100995, 3914775, 4791075, 5168325, 8751697, 14373225, 15504975, 26255091, 43758485, 78765273, 131275455, 218792425, 393826365, 656377275, 1969131825]

約数ペア:

[(1, 1969131825), (3, 656377275), (5, 393826365), (9, 218792425), (15, 131275455), (25, 78765273), (45, 43758485), (75, 26255091), (127, 15504975), (137, 14373225), (225, 8751697), (381, 5168325), (411, 4791075), (503, 3914775), (635, 3100995), (685, 2874645), (1143, 1722775), (1233, 1597025), (1509, 1304925), (1905, 1033665), (2055, 958215), (2515, 782955), (3175, 620199), (3425, 574929), (4527, 434975), (5715, 344555), (6165, 319405), (7545, 260985), (9525, 206733), (10275, 191643), (12575, 156591), (17399, 113175), (22635, 86995), (28575, 68911), (30825, 63881), (37725, 52197)]