1289849265

素因数分解:

$3^4\times 5^1\times {\mathrm{509}}^1\times {\mathrm{6257}}^1$

素因数の和:6783

約数の個数: 40

約数和(自身を含む): 2317087080

約数和(自身を除く): 1027237815

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 509, 1527, 2545, 4581, 6257, 7635, 13743, 18771, 22905, 31285, 41229, 56313, 68715, 93855, 168939, 206145, 281565, 506817, 844695, 2534085, 3184813, 9554439, 15924065, 28663317, 47772195, 85989951, 143316585, 257969853, 429949755, 1289849265]

約数ペア:

[(1, 1289849265), (3, 429949755), (5, 257969853), (9, 143316585), (15, 85989951), (27, 47772195), (45, 28663317), (81, 15924065), (135, 9554439), (405, 3184813), (509, 2534085), (1527, 844695), (2545, 506817), (4581, 281565), (6257, 206145), (7635, 168939), (13743, 93855), (18771, 68715), (22905, 56313), (31285, 41229)]