207980745

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{281}}^1$

素因数の和:375

約数の個数: 96

約数和(自身を含む): 416638080

約数和(自身を除く): 208657335

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 49, 53, 57, 95, 105, 133, 147, 159, 245, 265, 281, 285, 371, 399, 665, 735, 795, 843, 931, 1007, 1113, 1405, 1855, 1967, 1995, 2597, 2793, 3021, 4215, 4655, 5035, 5339, 5565, 5901, 7049, 7791, 9835, 12985, 13769, 13965, 14893, 15105, 16017, 21147, 26695, 29505, 35245, 37373, 38955, 41307, 44679, 49343, 68845, 74465, 80085, 104251, 105735, 112119, 148029, 186865, 206535, 223395, 246715, 261611, 282967, 312753, 521255, 560595, 729757, 740145, 784833, 848901, 1308055, 1414835, 1563765, 1980769, 2189271, 3648785, 3924165, 4244505, 5942307, 9903845, 10946355, 13865383, 29711535, 41596149, 69326915, 207980745]

約数ペア:

[(1, 207980745), (3, 69326915), (5, 41596149), (7, 29711535), (15, 13865383), (19, 10946355), (21, 9903845), (35, 5942307), (49, 4244505), (53, 3924165), (57, 3648785), (95, 2189271), (105, 1980769), (133, 1563765), (147, 1414835), (159, 1308055), (245, 848901), (265, 784833), (281, 740145), (285, 729757), (371, 560595), (399, 521255), (665, 312753), (735, 282967), (795, 261611), (843, 246715), (931, 223395), (1007, 206535), (1113, 186865), (1405, 148029), (1855, 112119), (1967, 105735), (1995, 104251), (2597, 80085), (2793, 74465), (3021, 68845), (4215, 49343), (4655, 44679), (5035, 41307), (5339, 38955), (5565, 37373), (5901, 35245), (7049, 29505), (7791, 26695), (9835, 21147), (12985, 16017), (13769, 15105), (13965, 14893)]