31821804

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{197}}^1\times {\mathrm{641}}^1$

素因数の和:855

約数の個数: 72

約数和(自身を含む): 92540448

約数和(自身を除く): 60718644

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 197, 252, 394, 591, 641, 788, 1182, 1282, 1379, 1773, 1923, 2364, 2564, 2758, 3546, 3846, 4137, 4487, 5516, 5769, 7092, 7692, 8274, 8974, 11538, 12411, 13461, 16548, 17948, 23076, 24822, 26922, 40383, 49644, 53844, 80766, 126277, 161532, 252554, 378831, 505108, 757662, 883939, 1136493, 1515324, 1767878, 2272986, 2651817, 3535756, 4545972, 5303634, 7955451, 10607268, 15910902, 31821804]

約数ペア:

[(1, 31821804), (2, 15910902), (3, 10607268), (4, 7955451), (6, 5303634), (7, 4545972), (9, 3535756), (12, 2651817), (14, 2272986), (18, 1767878), (21, 1515324), (28, 1136493), (36, 883939), (42, 757662), (63, 505108), (84, 378831), (126, 252554), (197, 161532), (252, 126277), (394, 80766), (591, 53844), (641, 49644), (788, 40383), (1182, 26922), (1282, 24822), (1379, 23076), (1773, 17948), (1923, 16548), (2364, 13461), (2564, 12411), (2758, 11538), (3546, 8974), (3846, 8274), (4137, 7692), (4487, 7092), (5516, 5769)]