87217695

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{919}}^1$

素因数の和:989

約数の個数: 64

約数和(自身を含む): 167808000

約数和(自身を除く): 80590305

約数列:

[1, 3, 5, 9, 15, 19, 27, 37, 45, 57, 95, 111, 135, 171, 185, 285, 333, 513, 555, 703, 855, 919, 999, 1665, 2109, 2565, 2757, 3515, 4595, 4995, 6327, 8271, 10545, 13785, 17461, 18981, 24813, 31635, 34003, 41355, 52383, 87305, 94905, 102009, 124065, 157149, 170015, 261915, 306027, 471447, 510045, 646057, 785745, 918081, 1530135, 1938171, 2357235, 3230285, 4590405, 5814513, 9690855, 17443539, 29072565, 87217695]

約数ペア:

[(1, 87217695), (3, 29072565), (5, 17443539), (9, 9690855), (15, 5814513), (19, 4590405), (27, 3230285), (37, 2357235), (45, 1938171), (57, 1530135), (95, 918081), (111, 785745), (135, 646057), (171, 510045), (185, 471447), (285, 306027), (333, 261915), (513, 170015), (555, 157149), (703, 124065), (855, 102009), (919, 94905), (999, 87305), (1665, 52383), (2109, 41355), (2565, 34003), (2757, 31635), (3515, 24813), (4595, 18981), (4995, 17461), (6327, 13785), (8271, 10545)]