1331214003

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{359}}^1\times {\mathrm{829}}^1$

素因数の和:1272

約数の個数: 48

約数和(自身を含む): 2237414400

約数和(自身を除く): 906200397

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 359, 497, 639, 829, 1077, 1491, 2487, 2513, 3231, 4473, 5803, 7461, 7539, 17409, 22617, 25489, 52227, 58859, 76467, 176577, 178423, 229401, 297611, 412013, 529731, 535269, 892833, 1236039, 1605807, 2083277, 2678499, 3708117, 6249831, 18749493, 21130381, 63391143, 147912667, 190173429, 443738001, 1331214003]

約数ペア:

[(1, 1331214003), (3, 443738001), (7, 190173429), (9, 147912667), (21, 63391143), (63, 21130381), (71, 18749493), (213, 6249831), (359, 3708117), (497, 2678499), (639, 2083277), (829, 1605807), (1077, 1236039), (1491, 892833), (2487, 535269), (2513, 529731), (3231, 412013), (4473, 297611), (5803, 229401), (7461, 178423), (7539, 176577), (17409, 76467), (22617, 58859), (25489, 52227)]