31280865

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1$

素因数の和:159

約数の個数: 96

約数和(自身を含む): 65598336

約数和(自身を除く): 34317471

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 49, 53, 55, 73, 77, 105, 147, 159, 165, 219, 231, 245, 265, 365, 371, 385, 511, 539, 583, 735, 795, 803, 1095, 1113, 1155, 1533, 1617, 1749, 1855, 2409, 2555, 2597, 2695, 2915, 3577, 3869, 4015, 4081, 5565, 5621, 7665, 7791, 8085, 8745, 10731, 11607, 12045, 12243, 12985, 16863, 17885, 19345, 20405, 27083, 28105, 28567, 38955, 39347, 42559, 53655, 58035, 61215, 81249, 84315, 85701, 118041, 127677, 135415, 142835, 189581, 196735, 212795, 297913, 406245, 428505, 568743, 590205, 638385, 893739, 947905, 1489565, 2085391, 2843715, 4468695, 6256173, 10426955, 31280865]

約数ペア:

[(1, 31280865), (3, 10426955), (5, 6256173), (7, 4468695), (11, 2843715), (15, 2085391), (21, 1489565), (33, 947905), (35, 893739), (49, 638385), (53, 590205), (55, 568743), (73, 428505), (77, 406245), (105, 297913), (147, 212795), (159, 196735), (165, 189581), (219, 142835), (231, 135415), (245, 127677), (265, 118041), (365, 85701), (371, 84315), (385, 81249), (511, 61215), (539, 58035), (583, 53655), (735, 42559), (795, 39347), (803, 38955), (1095, 28567), (1113, 28105), (1155, 27083), (1533, 20405), (1617, 19345), (1749, 17885), (1855, 16863), (2409, 12985), (2555, 12243), (2597, 12045), (2695, 11607), (2915, 10731), (3577, 8745), (3869, 8085), (4015, 7791), (4081, 7665), (5565, 5621)]