78021135

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{661}}^1$

素因数の和:776

約数の個数: 48

約数和(自身を含む): 140863008

約数和(自身を除く): 62841873

約数列:

[1, 3, 5, 9, 15, 43, 45, 61, 129, 183, 215, 305, 387, 549, 645, 661, 915, 1935, 1983, 2623, 2745, 3305, 5949, 7869, 9915, 13115, 23607, 28423, 29745, 39345, 40321, 85269, 118035, 120963, 142115, 201605, 255807, 362889, 426345, 604815, 1279035, 1733803, 1814445, 5201409, 8669015, 15604227, 26007045, 78021135]

約数ペア:

[(1, 78021135), (3, 26007045), (5, 15604227), (9, 8669015), (15, 5201409), (43, 1814445), (45, 1733803), (61, 1279035), (129, 604815), (183, 426345), (215, 362889), (305, 255807), (387, 201605), (549, 142115), (645, 120963), (661, 118035), (915, 85269), (1935, 40321), (1983, 39345), (2623, 29745), (2745, 28423), (3305, 23607), (5949, 13115), (7869, 9915)]