42340455

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{971}}^1$

素因数の和:1021

約数の個数: 64

約数和(自身を含む): 83980800

約数和(自身を除く): 41640345

約数列:

[1, 3, 5, 9, 15, 17, 19, 27, 45, 51, 57, 85, 95, 135, 153, 171, 255, 285, 323, 459, 513, 765, 855, 969, 971, 1615, 2295, 2565, 2907, 2913, 4845, 4855, 8721, 8739, 14535, 14565, 16507, 18449, 26217, 43605, 43695, 49521, 55347, 82535, 92245, 131085, 148563, 166041, 247605, 276735, 313633, 445689, 498123, 742815, 830205, 940899, 1568165, 2228445, 2490615, 2822697, 4704495, 8468091, 14113485, 42340455]

約数ペア:

[(1, 42340455), (3, 14113485), (5, 8468091), (9, 4704495), (15, 2822697), (17, 2490615), (19, 2228445), (27, 1568165), (45, 940899), (51, 830205), (57, 742815), (85, 498123), (95, 445689), (135, 313633), (153, 276735), (171, 247605), (255, 166041), (285, 148563), (323, 131085), (459, 92245), (513, 82535), (765, 55347), (855, 49521), (969, 43695), (971, 43605), (1615, 26217), (2295, 18449), (2565, 16507), (2907, 14565), (2913, 14535), (4845, 8739), (4855, 8721)]