320438865

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{193}}^1\times {\mathrm{383}}^1$

素因数の和:618

約数の個数: 48

約数和(自身を含む): 548886528

約数和(自身を除く): 228447663

約数列:

[1, 3, 5, 15, 17, 51, 85, 193, 255, 289, 383, 579, 867, 965, 1149, 1445, 1915, 2895, 3281, 4335, 5745, 6511, 9843, 16405, 19533, 32555, 49215, 55777, 73919, 97665, 110687, 167331, 221757, 278885, 332061, 369595, 553435, 836655, 1108785, 1256623, 1660305, 3769869, 6283115, 18849345, 21362591, 64087773, 106812955, 320438865]

約数ペア:

[(1, 320438865), (3, 106812955), (5, 64087773), (15, 21362591), (17, 18849345), (51, 6283115), (85, 3769869), (193, 1660305), (255, 1256623), (289, 1108785), (383, 836655), (579, 553435), (867, 369595), (965, 332061), (1149, 278885), (1445, 221757), (1915, 167331), (2895, 110687), (3281, 97665), (4335, 73919), (5745, 55777), (6511, 49215), (9843, 32555), (16405, 19533)]