720166461

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{19973}}^1$

素因数の和:20101

約数の個数: 32

約数和(自身を含む): 1173512448

約数和(自身を除く): 453345987

約数列:

[1, 3, 7, 17, 21, 51, 101, 119, 303, 357, 707, 1717, 2121, 5151, 12019, 19973, 36057, 59919, 139811, 339541, 419433, 1018623, 2017273, 2376787, 6051819, 7130361, 14120911, 34293641, 42362733, 102880923, 240055487, 720166461]

約数ペア:

[(1, 720166461), (3, 240055487), (7, 102880923), (17, 42362733), (21, 34293641), (51, 14120911), (101, 7130361), (119, 6051819), (303, 2376787), (357, 2017273), (707, 1018623), (1717, 419433), (2121, 339541), (5151, 139811), (12019, 59919), (19973, 36057)]