641261115

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1663}}^1$

素因数の和:1745

約数の個数: 96

約数和(自身を含む): 1308303360

約数和(自身を除く): 667042245

約数列:

[1, 3, 5, 9, 11, 15, 19, 33, 41, 45, 55, 57, 95, 99, 123, 165, 171, 205, 209, 285, 369, 451, 495, 615, 627, 779, 855, 1045, 1353, 1663, 1845, 1881, 2255, 2337, 3135, 3895, 4059, 4989, 6765, 7011, 8315, 8569, 9405, 11685, 14967, 18293, 20295, 24945, 25707, 31597, 35055, 42845, 54879, 68183, 74835, 77121, 91465, 94791, 128535, 157985, 164637, 204549, 274395, 284373, 340915, 347567, 385605, 473955, 613647, 750013, 823185, 1022745, 1042701, 1295477, 1421865, 1737835, 2250039, 3068235, 3128103, 3750065, 3886431, 5213505, 6477385, 6750117, 11250195, 11659293, 14250247, 15640515, 19432155, 33750585, 42750741, 58296465, 71251235, 128252223, 213753705, 641261115]

約数ペア:

[(1, 641261115), (3, 213753705), (5, 128252223), (9, 71251235), (11, 58296465), (15, 42750741), (19, 33750585), (33, 19432155), (41, 15640515), (45, 14250247), (55, 11659293), (57, 11250195), (95, 6750117), (99, 6477385), (123, 5213505), (165, 3886431), (171, 3750065), (205, 3128103), (209, 3068235), (285, 2250039), (369, 1737835), (451, 1421865), (495, 1295477), (615, 1042701), (627, 1022745), (779, 823185), (855, 750013), (1045, 613647), (1353, 473955), (1663, 385605), (1845, 347567), (1881, 340915), (2255, 284373), (2337, 274395), (3135, 204549), (3895, 164637), (4059, 157985), (4989, 128535), (6765, 94791), (7011, 91465), (8315, 77121), (8569, 74835), (9405, 68183), (11685, 54879), (14967, 42845), (18293, 35055), (20295, 31597), (24945, 25707)]