868661805

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1\times {\mathrm{397}}^1$

素因数の和:654

約数の個数: 64

約数和(自身を含む): 1547424000

約数和(自身を除く): 678762195

約数列:

[1, 3, 5, 11, 15, 33, 55, 89, 149, 165, 267, 397, 445, 447, 745, 979, 1191, 1335, 1639, 1985, 2235, 2937, 4367, 4895, 4917, 5955, 8195, 13101, 13261, 14685, 21835, 24585, 35333, 39783, 59153, 65505, 66305, 105999, 145871, 176665, 177459, 198915, 295765, 388663, 437613, 529995, 650683, 729355, 887295, 1165989, 1943315, 1952049, 2188065, 3253415, 5264617, 5829945, 9760245, 15793851, 26323085, 57910787, 78969255, 173732361, 289553935, 868661805]

約数ペア:

[(1, 868661805), (3, 289553935), (5, 173732361), (11, 78969255), (15, 57910787), (33, 26323085), (55, 15793851), (89, 9760245), (149, 5829945), (165, 5264617), (267, 3253415), (397, 2188065), (445, 1952049), (447, 1943315), (745, 1165989), (979, 887295), (1191, 729355), (1335, 650683), (1639, 529995), (1985, 437613), (2235, 388663), (2937, 295765), (4367, 198915), (4895, 177459), (4917, 176665), (5955, 145871), (8195, 105999), (13101, 66305), (13261, 65505), (14685, 59153), (21835, 39783), (24585, 35333)]