878475

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1$

素因数の和:96

約数の個数: 48

約数和(自身を含む): 1687392

約数和(自身を除く): 808917

約数列:

[1, 3, 5, 13, 15, 17, 25, 39, 51, 53, 65, 75, 85, 159, 195, 221, 255, 265, 325, 425, 663, 689, 795, 901, 975, 1105, 1275, 1325, 2067, 2703, 3315, 3445, 3975, 4505, 5525, 10335, 11713, 13515, 16575, 17225, 22525, 35139, 51675, 58565, 67575, 175695, 292825, 878475]

約数ペア:

[(1, 878475), (3, 292825), (5, 175695), (13, 67575), (15, 58565), (17, 51675), (25, 35139), (39, 22525), (51, 17225), (53, 16575), (65, 13515), (75, 11713), (85, 10335), (159, 5525), (195, 4505), (221, 3975), (255, 3445), (265, 3315), (325, 2703), (425, 2067), (663, 1325), (689, 1275), (795, 1105), (901, 975)]