40109979

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{151}}^1$

素因数の和:320

約数の個数: 48

約数和(自身を含む): 67925760

約数和(自身を除く): 27815781

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 139, 147, 151, 273, 417, 453, 637, 973, 1057, 1807, 1911, 1963, 2919, 3171, 5421, 5889, 6811, 7399, 12649, 13741, 20433, 20989, 22197, 37947, 41223, 62967, 88543, 96187, 146923, 265629, 272857, 288561, 440769, 818571, 1028461, 1909999, 3085383, 5729997, 13369993, 40109979]

約数ペア:

[(1, 40109979), (3, 13369993), (7, 5729997), (13, 3085383), (21, 1909999), (39, 1028461), (49, 818571), (91, 440769), (139, 288561), (147, 272857), (151, 265629), (273, 146923), (417, 96187), (453, 88543), (637, 62967), (973, 41223), (1057, 37947), (1807, 22197), (1911, 20989), (1963, 20433), (2919, 13741), (3171, 12649), (5421, 7399), (5889, 6811)]