201980709

素因数分解:

$3^4\times 7^1\times {\mathrm{101}}^1\times {\mathrm{3527}}^1$

素因数の和:3647

約数の個数: 40

約数和(自身を含む): 348340608

約数和(自身を除く): 146359899

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 101, 189, 303, 567, 707, 909, 2121, 2727, 3527, 6363, 8181, 10581, 19089, 24689, 31743, 57267, 74067, 95229, 222201, 285687, 356227, 666603, 1068681, 1999809, 2493589, 3206043, 7480767, 9618129, 22442301, 28854387, 67326903, 201980709]

約数ペア:

[(1, 201980709), (3, 67326903), (7, 28854387), (9, 22442301), (21, 9618129), (27, 7480767), (63, 3206043), (81, 2493589), (101, 1999809), (189, 1068681), (303, 666603), (567, 356227), (707, 285687), (909, 222201), (2121, 95229), (2727, 74067), (3527, 57267), (6363, 31743), (8181, 24689), (10581, 19089)]