126820421

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1789}}^1$

素因数の和:1869

約数の個数: 32

約数和(自身を含む): 168403200

約数和(自身を除く): 41582779

約数列:

[1, 7, 13, 19, 41, 91, 133, 247, 287, 533, 779, 1729, 1789, 3731, 5453, 10127, 12523, 23257, 33991, 70889, 73349, 162799, 237937, 441883, 513443, 953537, 1393631, 3093181, 6674759, 9755417, 18117203, 126820421]

約数ペア:

[(1, 126820421), (7, 18117203), (13, 9755417), (19, 6674759), (41, 3093181), (91, 1393631), (133, 953537), (247, 513443), (287, 441883), (533, 237937), (779, 162799), (1729, 73349), (1789, 70889), (3731, 33991), (5453, 23257), (10127, 12523)]