72157155

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{5167}}^1$

素因数の和:5208

約数の個数: 48

約数和(自身を含む): 141396480

約数和(自身を除く): 69239325

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 49, 57, 95, 105, 133, 147, 245, 285, 399, 665, 735, 931, 1995, 2793, 4655, 5167, 13965, 15501, 25835, 36169, 77505, 98173, 108507, 180845, 253183, 294519, 490865, 542535, 687211, 759549, 1265915, 1472595, 2061633, 3436055, 3797745, 4810477, 10308165, 14431431, 24052385, 72157155]

約数ペア:

[(1, 72157155), (3, 24052385), (5, 14431431), (7, 10308165), (15, 4810477), (19, 3797745), (21, 3436055), (35, 2061633), (49, 1472595), (57, 1265915), (95, 759549), (105, 687211), (133, 542535), (147, 490865), (245, 294519), (285, 253183), (399, 180845), (665, 108507), (735, 98173), (931, 77505), (1995, 36169), (2793, 25835), (4655, 15501), (5167, 13965)]