2156236425

素因数分解:

$3^2\times 5^2\times 7^2\times {\mathrm{257}}^1\times {\mathrm{761}}^1$

素因数の和:1048

約数の個数: 108

約数和(自身を含む): 4516006716

約数和(自身を除く): 2359770291

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 49, 63, 75, 105, 147, 175, 225, 245, 257, 315, 441, 525, 735, 761, 771, 1225, 1285, 1575, 1799, 2205, 2283, 2313, 3675, 3805, 3855, 5327, 5397, 6425, 6849, 8995, 11025, 11415, 11565, 12593, 15981, 16191, 19025, 19275, 26635, 26985, 34245, 37289, 37779, 44975, 47943, 57075, 57825, 62965, 79905, 80955, 111867, 113337, 133175, 134925, 171225, 186445, 188895, 195577, 239715, 314825, 335601, 399525, 404775, 559335, 566685, 586731, 932225, 944475, 977885, 1198575, 1369039, 1678005, 1760193, 2796675, 2833425, 2933655, 4107117, 4889425, 6845195, 8390025, 8800965, 9583273, 12321351, 14668275, 20535585, 28749819, 34225975, 44004825, 47916365, 61606755, 86249457, 102677925, 143749095, 239581825, 308033775, 431247285, 718745475, 2156236425]

約数ペア:

[(1, 2156236425), (3, 718745475), (5, 431247285), (7, 308033775), (9, 239581825), (15, 143749095), (21, 102677925), (25, 86249457), (35, 61606755), (45, 47916365), (49, 44004825), (63, 34225975), (75, 28749819), (105, 20535585), (147, 14668275), (175, 12321351), (225, 9583273), (245, 8800965), (257, 8390025), (315, 6845195), (441, 4889425), (525, 4107117), (735, 2933655), (761, 2833425), (771, 2796675), (1225, 1760193), (1285, 1678005), (1575, 1369039), (1799, 1198575), (2205, 977885), (2283, 944475), (2313, 932225), (3675, 586731), (3805, 566685), (3855, 559335), (5327, 404775), (5397, 399525), (6425, 335601), (6849, 314825), (8995, 239715), (11025, 195577), (11415, 188895), (11565, 186445), (12593, 171225), (15981, 134925), (16191, 133175), (19025, 113337), (19275, 111867), (26635, 80955), (26985, 79905), (34245, 62965), (37289, 57825), (37779, 57075), (44975, 47943)]