3921225

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{97}}^1$

素因数の和:135

約数の個数: 72

約数和(自身を含む): 8311968

約数和(自身を除く): 4390743

約数列:

[1, 3, 5, 7, 11, 15, 21, 25, 33, 35, 49, 55, 75, 77, 97, 105, 147, 165, 175, 231, 245, 275, 291, 385, 485, 525, 539, 679, 735, 825, 1067, 1155, 1225, 1455, 1617, 1925, 2037, 2425, 2695, 3201, 3395, 3675, 4753, 5335, 5775, 7275, 7469, 8085, 10185, 13475, 14259, 16005, 16975, 22407, 23765, 26675, 37345, 40425, 50925, 52283, 71295, 80025, 112035, 118825, 156849, 186725, 261415, 356475, 560175, 784245, 1307075, 3921225]

約数ペア:

[(1, 3921225), (3, 1307075), (5, 784245), (7, 560175), (11, 356475), (15, 261415), (21, 186725), (25, 156849), (33, 118825), (35, 112035), (49, 80025), (55, 71295), (75, 52283), (77, 50925), (97, 40425), (105, 37345), (147, 26675), (165, 23765), (175, 22407), (231, 16975), (245, 16005), (275, 14259), (291, 13475), (385, 10185), (485, 8085), (525, 7469), (539, 7275), (679, 5775), (735, 5335), (825, 4753), (1067, 3675), (1155, 3395), (1225, 3201), (1455, 2695), (1617, 2425), (1925, 2037)]