31155345

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2803}}^1$

素因数の和:2846

約数の個数: 48

約数和(自身を含む): 61239360

約数和(自身を除く): 30084015

約数列:

[1, 3, 5, 9, 13, 15, 19, 39, 45, 57, 65, 95, 117, 171, 195, 247, 285, 585, 741, 855, 1235, 2223, 2803, 3705, 8409, 11115, 14015, 25227, 36439, 42045, 53257, 109317, 126135, 159771, 182195, 266285, 327951, 479313, 546585, 692341, 798855, 1639755, 2077023, 2396565, 3461705, 6231069, 10385115, 31155345]

約数ペア:

[(1, 31155345), (3, 10385115), (5, 6231069), (9, 3461705), (13, 2396565), (15, 2077023), (19, 1639755), (39, 798855), (45, 692341), (57, 546585), (65, 479313), (95, 327951), (117, 266285), (171, 182195), (195, 159771), (247, 126135), (285, 109317), (585, 53257), (741, 42045), (855, 36439), (1235, 25227), (2223, 14015), (2803, 11115), (3705, 8409)]