69750915

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{397}}^1$

素因数の和:488

約数の個数: 64

約数和(自身を含む): 129983616

約数和(自身を除く): 60232701

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 53, 65, 85, 159, 195, 221, 255, 265, 397, 663, 689, 795, 901, 1105, 1191, 1985, 2067, 2703, 3315, 3445, 4505, 5161, 5955, 6749, 10335, 11713, 13515, 15483, 20247, 21041, 25805, 33745, 35139, 58565, 63123, 77415, 87737, 101235, 105205, 175695, 263211, 273533, 315615, 357697, 438685, 820599, 1073091, 1316055, 1367665, 1788485, 4102995, 4650061, 5365455, 13950183, 23250305, 69750915]

約数ペア:

[(1, 69750915), (3, 23250305), (5, 13950183), (13, 5365455), (15, 4650061), (17, 4102995), (39, 1788485), (51, 1367665), (53, 1316055), (65, 1073091), (85, 820599), (159, 438685), (195, 357697), (221, 315615), (255, 273533), (265, 263211), (397, 175695), (663, 105205), (689, 101235), (795, 87737), (901, 77415), (1105, 63123), (1191, 58565), (1985, 35139), (2067, 33745), (2703, 25805), (3315, 21041), (3445, 20247), (4505, 15483), (5161, 13515), (5955, 11713), (6749, 10335)]