1616949645

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{311}}^1\times {\mathrm{20389}}^1$

素因数の和:20725

約数の個数: 32

約数和(自身を含む): 2748245760

約数和(自身を除く): 1131296115

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 311, 933, 1555, 4665, 5287, 15861, 20389, 26435, 61167, 79305, 101945, 305835, 346613, 1039839, 1733065, 5199195, 6340979, 19022937, 31704895, 95114685, 107796643, 323389929, 538983215, 1616949645]

約数ペア:

[(1, 1616949645), (3, 538983215), (5, 323389929), (15, 107796643), (17, 95114685), (51, 31704895), (85, 19022937), (255, 6340979), (311, 5199195), (933, 1733065), (1555, 1039839), (4665, 346613), (5287, 305835), (15861, 101945), (20389, 79305), (26435, 61167)]