25303395

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{449}}^1$

素因数の和:504

約数の個数: 48

約数和(自身を含む): 46418400

約数和(自身を除く): 21115005

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 195, 221, 255, 289, 449, 663, 867, 1105, 1347, 1445, 2245, 3315, 3757, 4335, 5837, 6735, 7633, 11271, 17511, 18785, 22899, 29185, 38165, 56355, 87555, 99229, 114495, 129761, 297687, 389283, 496145, 648805, 1488435, 1686893, 1946415, 5060679, 8434465, 25303395]

約数ペア:

[(1, 25303395), (3, 8434465), (5, 5060679), (13, 1946415), (15, 1686893), (17, 1488435), (39, 648805), (51, 496145), (65, 389283), (85, 297687), (195, 129761), (221, 114495), (255, 99229), (289, 87555), (449, 56355), (663, 38165), (867, 29185), (1105, 22899), (1347, 18785), (1445, 17511), (2245, 11271), (3315, 7633), (3757, 6735), (4335, 5837)]