28937013

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{331}}^1$

素因数の和:545

約数の個数: 32

約数和(自身を含む): 46405632

約数和(自身を除く): 17468619

約数列:

[1, 3, 7, 21, 23, 69, 161, 181, 331, 483, 543, 993, 1267, 2317, 3801, 4163, 6951, 7613, 12489, 22839, 29141, 53291, 59911, 87423, 159873, 179733, 419377, 1258131, 1377953, 4133859, 9645671, 28937013]

約数ペア:

[(1, 28937013), (3, 9645671), (7, 4133859), (21, 1377953), (23, 1258131), (69, 419377), (161, 179733), (181, 159873), (331, 87423), (483, 59911), (543, 53291), (993, 29141), (1267, 22839), (2317, 12489), (3801, 7613), (4163, 6951)]