1816321725

素因数分解:

$3^6\times 5^2\times {\mathrm{99661}}^1$

素因数の和:99689

約数の個数: 42

約数和(自身を含む): 3376847546

約数和(自身を除く): 1560525821

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 243, 405, 675, 729, 1215, 2025, 3645, 6075, 18225, 99661, 298983, 498305, 896949, 1494915, 2491525, 2690847, 4484745, 7474575, 8072541, 13454235, 22423725, 24217623, 40362705, 67271175, 72652869, 121088115, 201813525, 363264345, 605440575, 1816321725]

約数ペア:

[(1, 1816321725), (3, 605440575), (5, 363264345), (9, 201813525), (15, 121088115), (25, 72652869), (27, 67271175), (45, 40362705), (75, 24217623), (81, 22423725), (135, 13454235), (225, 8072541), (243, 7474575), (405, 4484745), (675, 2690847), (729, 2491525), (1215, 1494915), (2025, 896949), (3645, 498305), (6075, 298983), (18225, 99661)]