16263345

素因数分解:

$3^1\times 5^1\times 7^3\times {\mathrm{29}}^1\times {\mathrm{109}}^1$

素因数の和:167

約数の個数: 64

約数和(自身を含む): 31680000

約数和(自身を除く): 15416655

約数列:

[1, 3, 5, 7, 15, 21, 29, 35, 49, 87, 105, 109, 145, 147, 203, 245, 327, 343, 435, 545, 609, 735, 763, 1015, 1029, 1421, 1635, 1715, 2289, 3045, 3161, 3815, 4263, 5145, 5341, 7105, 9483, 9947, 11445, 15805, 16023, 21315, 22127, 26705, 29841, 37387, 47415, 49735, 66381, 80115, 110635, 112161, 149205, 154889, 186935, 331905, 464667, 560805, 774445, 1084223, 2323335, 3252669, 5421115, 16263345]

約数ペア:

[(1, 16263345), (3, 5421115), (5, 3252669), (7, 2323335), (15, 1084223), (21, 774445), (29, 560805), (35, 464667), (49, 331905), (87, 186935), (105, 154889), (109, 149205), (145, 112161), (147, 110635), (203, 80115), (245, 66381), (327, 49735), (343, 47415), (435, 37387), (545, 29841), (609, 26705), (735, 22127), (763, 21315), (1015, 16023), (1029, 15805), (1421, 11445), (1635, 9947), (1715, 9483), (2289, 7105), (3045, 5341), (3161, 5145), (3815, 4263)]