329996979

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{661}}^1$

素因数の和:948

約数の個数: 48

約数和(自身を含む): 546515424

約数和(自身を除く): 216518445

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 251, 661, 663, 753, 1983, 1989, 2259, 3263, 4267, 5949, 8593, 9789, 11237, 12801, 25779, 29367, 33711, 38403, 55471, 77337, 101133, 146081, 165911, 166413, 438243, 497733, 499239, 1314729, 1493199, 2156843, 2820487, 6470529, 8461461, 19411587, 25384383, 36666331, 109998993, 329996979]

約数ペア:

[(1, 329996979), (3, 109998993), (9, 36666331), (13, 25384383), (17, 19411587), (39, 8461461), (51, 6470529), (117, 2820487), (153, 2156843), (221, 1493199), (251, 1314729), (661, 499239), (663, 497733), (753, 438243), (1983, 166413), (1989, 165911), (2259, 146081), (3263, 101133), (4267, 77337), (5949, 55471), (8593, 38403), (9789, 33711), (11237, 29367), (12801, 25779)]