84157905

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{479}}^1$

素因数の和:570

約数の個数: 64

約数和(自身を含む): 156764160

約数和(自身を除く): 72606255

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 53, 65, 85, 159, 195, 221, 255, 265, 479, 663, 689, 795, 901, 1105, 1437, 2067, 2395, 2703, 3315, 3445, 4505, 6227, 7185, 8143, 10335, 11713, 13515, 18681, 24429, 25387, 31135, 35139, 40715, 58565, 76161, 93405, 105859, 122145, 126935, 175695, 317577, 330031, 380805, 431579, 529295, 990093, 1294737, 1587885, 1650155, 2157895, 4950465, 5610527, 6473685, 16831581, 28052635, 84157905]

約数ペア:

[(1, 84157905), (3, 28052635), (5, 16831581), (13, 6473685), (15, 5610527), (17, 4950465), (39, 2157895), (51, 1650155), (53, 1587885), (65, 1294737), (85, 990093), (159, 529295), (195, 431579), (221, 380805), (255, 330031), (265, 317577), (479, 175695), (663, 126935), (689, 122145), (795, 105859), (901, 93405), (1105, 76161), (1437, 58565), (2067, 40715), (2395, 35139), (2703, 31135), (3315, 25387), (3445, 24429), (4505, 18681), (6227, 13515), (7185, 11713), (8143, 10335)]