128575986903

素因数分解:

$3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{245683}}^1$

素因数の和:245786

約数の個数: 80

約数和(自身を含む): 239724688896

約数和(自身を除く): 111148701993

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 71, 81, 91, 117, 189, 213, 273, 351, 497, 567, 639, 819, 923, 1053, 1491, 1917, 2457, 2769, 4473, 5751, 6461, 7371, 8307, 13419, 19383, 24921, 40257, 58149, 74763, 174447, 245683, 523341, 737049, 1719781, 2211147, 3193879, 5159343, 6633441, 9581637, 15478029, 17443493, 19900323, 22357153, 28744911, 46434087, 52330479, 67071459, 86234733, 122104451, 139302261, 156991437, 201214377, 226765409, 258704199, 366313353, 470974311, 603643131, 680296227, 1098940059, 1412922933, 1587357863, 1810929393, 2040888681, 3296820177, 4762073589, 6122666043, 9890460531, 14286220767, 18367998129, 42858662301, 128575986903]

約数ペア:

[(1, 128575986903), (3, 42858662301), (7, 18367998129), (9, 14286220767), (13, 9890460531), (21, 6122666043), (27, 4762073589), (39, 3296820177), (63, 2040888681), (71, 1810929393), (81, 1587357863), (91, 1412922933), (117, 1098940059), (189, 680296227), (213, 603643131), (273, 470974311), (351, 366313353), (497, 258704199), (567, 226765409), (639, 201214377), (819, 156991437), (923, 139302261), (1053, 122104451), (1491, 86234733), (1917, 67071459), (2457, 52330479), (2769, 46434087), (4473, 28744911), (5751, 22357153), (6461, 19900323), (7371, 17443493), (8307, 15478029), (13419, 9581637), (19383, 6633441), (24921, 5159343), (40257, 3193879), (58149, 2211147), (74763, 1719781), (174447, 737049), (245683, 523341)]