1243156977

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{911}}^1\times {\mathrm{991}}^1$

素因数の和:1931

約数の個数: 40

約数和(自身を含む): 1970445312

約数和(自身を除く): 727288335

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 911, 991, 1377, 2733, 2973, 8199, 8919, 15487, 16847, 24597, 26757, 46461, 50541, 73791, 80271, 139383, 151623, 418149, 454869, 902801, 1254447, 1364607, 2708403, 8125209, 15347617, 24375627, 46042851, 73126881, 138128553, 414385659, 1243156977]

約数ペア:

[(1, 1243156977), (3, 414385659), (9, 138128553), (17, 73126881), (27, 46042851), (51, 24375627), (81, 15347617), (153, 8125209), (459, 2708403), (911, 1364607), (991, 1254447), (1377, 902801), (2733, 454869), (2973, 418149), (8199, 151623), (8919, 139383), (15487, 80271), (16847, 73791), (24597, 50541), (26757, 46461)]