620199015

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1459}}^1\times {\mathrm{1667}}^1$

素因数の和:3151

約数の個数: 32

約数和(自身を含む): 1052040960

約数和(自身を除く): 431841945

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 1459, 1667, 4377, 5001, 7295, 8335, 21885, 24803, 25005, 28339, 74409, 85017, 124015, 141695, 372045, 425085, 2432153, 7296459, 12160765, 36482295, 41346601, 124039803, 206733005, 620199015]

約数ペア:

[(1, 620199015), (3, 206733005), (5, 124039803), (15, 41346601), (17, 36482295), (51, 12160765), (85, 7296459), (255, 2432153), (1459, 425085), (1667, 372045), (4377, 141695), (5001, 124015), (7295, 85017), (8335, 74409), (21885, 28339), (24803, 25005)]