71731251

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{367}}^1$

素因数の和:525

約数の個数: 40

約数和(自身を含む): 113991680

約数和(自身を除く): 42260429

約数列:

[1, 3, 9, 19, 27, 57, 81, 127, 171, 367, 381, 513, 1101, 1143, 1539, 2413, 3303, 3429, 6973, 7239, 9909, 10287, 20919, 21717, 29727, 46609, 62757, 65151, 139827, 188271, 195453, 419481, 564813, 885571, 1258443, 2656713, 3775329, 7970139, 23910417, 71731251]

約数ペア:

[(1, 71731251), (3, 23910417), (9, 7970139), (19, 3775329), (27, 2656713), (57, 1258443), (81, 885571), (127, 564813), (171, 419481), (367, 195453), (381, 188271), (513, 139827), (1101, 65151), (1143, 62757), (1539, 46609), (2413, 29727), (3303, 21717), (3429, 20919), (6973, 10287), (7239, 9909)]