131323356

素因数分解:

$2^2\times 3^4\times {\mathrm{409}}^1\times {\mathrm{991}}^1$

素因数の和:1416

約数の個数: 60

約数和(自身を含む): 344491840

約数和(自身を除く): 213168484

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 409, 818, 991, 1227, 1636, 1982, 2454, 2973, 3681, 3964, 4908, 5946, 7362, 8919, 11043, 11892, 14724, 17838, 22086, 26757, 33129, 35676, 44172, 53514, 66258, 80271, 107028, 132516, 160542, 321084, 405319, 810638, 1215957, 1621276, 2431914, 3647871, 4863828, 7295742, 10943613, 14591484, 21887226, 32830839, 43774452, 65661678, 131323356]

約数ペア:

[(1, 131323356), (2, 65661678), (3, 43774452), (4, 32830839), (6, 21887226), (9, 14591484), (12, 10943613), (18, 7295742), (27, 4863828), (36, 3647871), (54, 2431914), (81, 1621276), (108, 1215957), (162, 810638), (324, 405319), (409, 321084), (818, 160542), (991, 132516), (1227, 107028), (1636, 80271), (1982, 66258), (2454, 53514), (2973, 44172), (3681, 35676), (3964, 33129), (4908, 26757), (5946, 22086), (7362, 17838), (8919, 14724), (11043, 11892)]