72257703

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{631}}^1$

素因数の和:708

約数の個数: 48

約数和(自身を含む): 121040640

約数和(自身を除く): 48782937

約数列:

[1, 3, 7, 19, 21, 41, 49, 57, 123, 133, 147, 287, 399, 631, 779, 861, 931, 1893, 2009, 2337, 2793, 4417, 5453, 6027, 11989, 13251, 16359, 25871, 30919, 35967, 38171, 77613, 83923, 92757, 114513, 181097, 251769, 491549, 543291, 587461, 1267679, 1474647, 1762383, 3440843, 3803037, 10322529, 24085901, 72257703]

約数ペア:

[(1, 72257703), (3, 24085901), (7, 10322529), (19, 3803037), (21, 3440843), (41, 1762383), (49, 1474647), (57, 1267679), (123, 587461), (133, 543291), (147, 491549), (287, 251769), (399, 181097), (631, 114513), (779, 92757), (861, 83923), (931, 77613), (1893, 38171), (2009, 35967), (2337, 30919), (2793, 25871), (4417, 16359), (5453, 13251), (6027, 11989)]