213729841

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{271}}^1$

素因数の和:437

約数の個数: 32

約数和(自身を含む): 253460480

約数和(自身を除く): 39730639

約数列:

[1, 13, 19, 31, 103, 247, 271, 403, 589, 1339, 1957, 3193, 3523, 5149, 7657, 8401, 25441, 27913, 41509, 60667, 66937, 109213, 159619, 362869, 530347, 788671, 865303, 2075047, 6894511, 11248939, 16440757, 213729841]

約数ペア:

[(1, 213729841), (13, 16440757), (19, 11248939), (31, 6894511), (103, 2075047), (247, 865303), (271, 788671), (403, 530347), (589, 362869), (1339, 159619), (1957, 109213), (3193, 66937), (3523, 60667), (5149, 41509), (7657, 27913), (8401, 25441)]