20231445

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{359}}^1$

素因数の和:414

約数の個数: 48

約数和(自身を含む): 37134720

約数和(自身を除く): 16903275

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 195, 221, 255, 289, 359, 663, 867, 1077, 1105, 1445, 1795, 3315, 3757, 4335, 4667, 5385, 6103, 11271, 14001, 18309, 18785, 23335, 30515, 56355, 70005, 79339, 91545, 103751, 238017, 311253, 396695, 518755, 1190085, 1348763, 1556265, 4046289, 6743815, 20231445]

約数ペア:

[(1, 20231445), (3, 6743815), (5, 4046289), (13, 1556265), (15, 1348763), (17, 1190085), (39, 518755), (51, 396695), (65, 311253), (85, 238017), (195, 103751), (221, 91545), (255, 79339), (289, 70005), (359, 56355), (663, 30515), (867, 23335), (1077, 18785), (1105, 18309), (1445, 14001), (1795, 11271), (3315, 6103), (3757, 5385), (4335, 4667)]