73972689

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1\times {\mathrm{503}}^1$

素因数の和:709

約数の個数: 32

約数和(自身を含む): 116121600

約数和(自身を除く): 42148911

約数列:

[1, 3, 7, 21, 47, 141, 149, 329, 447, 503, 987, 1043, 1509, 3129, 3521, 7003, 10563, 21009, 23641, 49021, 70923, 74947, 147063, 165487, 224841, 496461, 524629, 1573887, 3522509, 10567527, 24657563, 73972689]

約数ペア:

[(1, 73972689), (3, 24657563), (7, 10567527), (21, 3522509), (47, 1573887), (141, 524629), (149, 496461), (329, 224841), (447, 165487), (503, 147063), (987, 74947), (1043, 70923), (1509, 49021), (3129, 23641), (3521, 21009), (7003, 10563)]