68866005

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^2\times {\mathrm{191}}^1$

素因数の和:298

約数の個数: 48

約数和(自身を含む): 122121216

約数和(自身を除く): 53255211

約数列:

[1, 3, 5, 13, 15, 39, 43, 65, 129, 191, 195, 215, 559, 573, 645, 955, 1677, 1849, 2483, 2795, 2865, 5547, 7449, 8213, 8385, 9245, 12415, 24037, 24639, 27735, 37245, 41065, 72111, 106769, 120185, 123195, 320307, 353159, 360555, 533845, 1059477, 1601535, 1765795, 4591067, 5297385, 13773201, 22955335, 68866005]

約数ペア:

[(1, 68866005), (3, 22955335), (5, 13773201), (13, 5297385), (15, 4591067), (39, 1765795), (43, 1601535), (65, 1059477), (129, 533845), (191, 360555), (195, 353159), (215, 320307), (559, 123195), (573, 120185), (645, 106769), (955, 72111), (1677, 41065), (1849, 37245), (2483, 27735), (2795, 24639), (2865, 24037), (5547, 12415), (7449, 9245), (8213, 8385)]