31921092

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{197}}^1\times {\mathrm{643}}^1$

素因数の和:857

約数の個数: 72

約数和(自身を含む): 92828736

約数和(自身を除く): 60907644

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 197, 252, 394, 591, 643, 788, 1182, 1286, 1379, 1773, 1929, 2364, 2572, 2758, 3546, 3858, 4137, 4501, 5516, 5787, 7092, 7716, 8274, 9002, 11574, 12411, 13503, 16548, 18004, 23148, 24822, 27006, 40509, 49644, 54012, 81018, 126671, 162036, 253342, 380013, 506684, 760026, 886697, 1140039, 1520052, 1773394, 2280078, 2660091, 3546788, 4560156, 5320182, 7980273, 10640364, 15960546, 31921092]

約数ペア:

[(1, 31921092), (2, 15960546), (3, 10640364), (4, 7980273), (6, 5320182), (7, 4560156), (9, 3546788), (12, 2660091), (14, 2280078), (18, 1773394), (21, 1520052), (28, 1140039), (36, 886697), (42, 760026), (63, 506684), (84, 380013), (126, 253342), (197, 162036), (252, 126671), (394, 81018), (591, 54012), (643, 49644), (788, 40509), (1182, 27006), (1286, 24822), (1379, 23148), (1773, 18004), (1929, 16548), (2364, 13503), (2572, 12411), (2758, 11574), (3546, 9002), (3858, 8274), (4137, 7716), (4501, 7092), (5516, 5787)]