489374955

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{1721}}^1$

素因数の和:1892

約数の個数: 48

約数和(自身を含む): 870367680

約数和(自身を除く): 380992725

約数列:

[1, 3, 5, 9, 15, 45, 71, 89, 213, 267, 355, 445, 639, 801, 1065, 1335, 1721, 3195, 4005, 5163, 6319, 8605, 15489, 18957, 25815, 31595, 56871, 77445, 94785, 122191, 153169, 284355, 366573, 459507, 610955, 765845, 1099719, 1378521, 1832865, 2297535, 5498595, 6892605, 10874999, 32624997, 54374995, 97874991, 163124985, 489374955]

約数ペア:

[(1, 489374955), (3, 163124985), (5, 97874991), (9, 54374995), (15, 32624997), (45, 10874999), (71, 6892605), (89, 5498595), (213, 2297535), (267, 1832865), (355, 1378521), (445, 1099719), (639, 765845), (801, 610955), (1065, 459507), (1335, 366573), (1721, 284355), (3195, 153169), (4005, 122191), (5163, 94785), (6319, 77445), (8605, 56871), (15489, 31595), (18957, 25815)]