17980458075

素因数分解:

$3^2\times 5^2\times {\mathrm{83}}^1\times {\mathrm{337}}^1\times {\mathrm{2857}}^1$

素因数の和:3293

約数の個数: 72

約数和(自身を含む): 32701167408

約数和(自身を除く): 14720709333

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 83, 225, 249, 337, 415, 747, 1011, 1245, 1685, 2075, 2857, 3033, 3735, 5055, 6225, 8425, 8571, 14285, 15165, 18675, 25275, 25713, 27971, 42855, 71425, 75825, 83913, 128565, 139855, 214275, 237131, 251739, 419565, 642825, 699275, 711393, 962809, 1185655, 1258695, 2097825, 2134179, 2888427, 3556965, 4814045, 5928275, 6293475, 8665281, 10670895, 14442135, 17784825, 24070225, 43326405, 53354475, 72210675, 79913147, 216632025, 239739441, 399565735, 719218323, 1198697205, 1997828675, 3596091615, 5993486025, 17980458075]

約数ペア:

[(1, 17980458075), (3, 5993486025), (5, 3596091615), (9, 1997828675), (15, 1198697205), (25, 719218323), (45, 399565735), (75, 239739441), (83, 216632025), (225, 79913147), (249, 72210675), (337, 53354475), (415, 43326405), (747, 24070225), (1011, 17784825), (1245, 14442135), (1685, 10670895), (2075, 8665281), (2857, 6293475), (3033, 5928275), (3735, 4814045), (5055, 3556965), (6225, 2888427), (8425, 2134179), (8571, 2097825), (14285, 1258695), (15165, 1185655), (18675, 962809), (25275, 711393), (25713, 699275), (27971, 642825), (42855, 419565), (71425, 251739), (75825, 237131), (83913, 214275), (128565, 139855)]