31418685

素因数分解:

$3^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1361}}^1$

素因数の和:1400

約数の個数: 48

約数和(自身を含む): 59492160

約数和(自身を除く): 28073475

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 81, 95, 135, 171, 243, 285, 405, 513, 855, 1215, 1361, 1539, 2565, 4083, 4617, 6805, 7695, 12249, 20415, 23085, 25859, 36747, 61245, 77577, 110241, 129295, 183735, 232731, 330723, 387885, 551205, 698193, 1163655, 1653615, 2094579, 3490965, 6283737, 10472895, 31418685]

約数ペア:

[(1, 31418685), (3, 10472895), (5, 6283737), (9, 3490965), (15, 2094579), (19, 1653615), (27, 1163655), (45, 698193), (57, 551205), (81, 387885), (95, 330723), (135, 232731), (171, 183735), (243, 129295), (285, 110241), (405, 77577), (513, 61245), (855, 36747), (1215, 25859), (1361, 23085), (1539, 20415), (2565, 12249), (4083, 7695), (4617, 6805)]