389970045

素因数分解:

$3^5\times 5^1\times {\mathrm{47}}^1\times {\mathrm{6829}}^1$

素因数の和:6896

約数の個数: 48

約数和(自身を含む): 716002560

約数和(自身を除く): 326032515

約数列:

[1, 3, 5, 9, 15, 27, 45, 47, 81, 135, 141, 235, 243, 405, 423, 705, 1215, 1269, 2115, 3807, 6345, 6829, 11421, 19035, 20487, 34145, 57105, 61461, 102435, 184383, 307305, 320963, 553149, 921915, 962889, 1604815, 1659447, 2765745, 2888667, 4814445, 8297235, 8666001, 14443335, 25998003, 43330005, 77994009, 129990015, 389970045]

約数ペア:

[(1, 389970045), (3, 129990015), (5, 77994009), (9, 43330005), (15, 25998003), (27, 14443335), (45, 8666001), (47, 8297235), (81, 4814445), (135, 2888667), (141, 2765745), (235, 1659447), (243, 1604815), (405, 962889), (423, 921915), (705, 553149), (1215, 320963), (1269, 307305), (2115, 184383), (3807, 102435), (6345, 61461), (6829, 57105), (11421, 34145), (19035, 20487)]