7987365

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{197}}^1$

素因数の和:278

約数の個数: 48

約数和(自身を含む): 15011568

約数和(自身を除く): 7024203

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 53, 85, 153, 159, 197, 255, 265, 477, 591, 765, 795, 901, 985, 1773, 2385, 2703, 2955, 3349, 4505, 8109, 8865, 10047, 10441, 13515, 16745, 30141, 31323, 40545, 50235, 52205, 93969, 150705, 156615, 177497, 469845, 532491, 887485, 1597473, 2662455, 7987365]

約数ペア:

[(1, 7987365), (3, 2662455), (5, 1597473), (9, 887485), (15, 532491), (17, 469845), (45, 177497), (51, 156615), (53, 150705), (85, 93969), (153, 52205), (159, 50235), (197, 40545), (255, 31323), (265, 30141), (477, 16745), (591, 13515), (765, 10441), (795, 10047), (901, 8865), (985, 8109), (1773, 4505), (2385, 3349), (2703, 2955)]