42257943

素因数分解:

$3^6\times 7^3\times {\mathrm{13}}^2$

素因数の和:65

約数の個数: 84

約数和(自身を含む): 80007600

約数和(自身を除く): 37749657

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 49, 63, 81, 91, 117, 147, 169, 189, 243, 273, 343, 351, 441, 507, 567, 637, 729, 819, 1029, 1053, 1183, 1323, 1521, 1701, 1911, 2457, 3087, 3159, 3549, 3969, 4459, 4563, 5103, 5733, 7371, 8281, 9261, 9477, 10647, 11907, 13377, 13689, 17199, 22113, 24843, 27783, 31941, 35721, 40131, 41067, 51597, 57967, 66339, 74529, 83349, 95823, 120393, 123201, 154791, 173901, 223587, 250047, 287469, 361179, 464373, 521703, 670761, 862407, 1083537, 1565109, 2012283, 3250611, 4695327, 6036849, 14085981, 42257943]

約数ペア:

[(1, 42257943), (3, 14085981), (7, 6036849), (9, 4695327), (13, 3250611), (21, 2012283), (27, 1565109), (39, 1083537), (49, 862407), (63, 670761), (81, 521703), (91, 464373), (117, 361179), (147, 287469), (169, 250047), (189, 223587), (243, 173901), (273, 154791), (343, 123201), (351, 120393), (441, 95823), (507, 83349), (567, 74529), (637, 66339), (729, 57967), (819, 51597), (1029, 41067), (1053, 40131), (1183, 35721), (1323, 31941), (1521, 27783), (1701, 24843), (1911, 22113), (2457, 17199), (3087, 13689), (3159, 13377), (3549, 11907), (3969, 10647), (4459, 9477), (4563, 9261), (5103, 8281), (5733, 7371)]