70821405

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{30859}}^1$

素因数の和:30890

約数の個数: 32

約数和(自身を含む): 133315200

約数和(自身を除く): 62493795

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 85, 135, 153, 255, 459, 765, 2295, 30859, 92577, 154295, 277731, 462885, 524603, 833193, 1388655, 1573809, 2623015, 4165965, 4721427, 7869045, 14164281, 23607135, 70821405]

約数ペア:

[(1, 70821405), (3, 23607135), (5, 14164281), (9, 7869045), (15, 4721427), (17, 4165965), (27, 2623015), (45, 1573809), (51, 1388655), (85, 833193), (135, 524603), (153, 462885), (255, 277731), (459, 154295), (765, 92577), (2295, 30859)]