72557751

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{563}}^1$

素因数の和:628

約数の個数: 48

約数和(自身を含む): 123773184

約数和(自身を除く): 51215433

約数列:

[1, 3, 7, 17, 19, 21, 51, 57, 119, 133, 323, 357, 361, 399, 563, 969, 1083, 1689, 2261, 2527, 3941, 6137, 6783, 7581, 9571, 10697, 11823, 18411, 28713, 32091, 42959, 66997, 74879, 128877, 181849, 200991, 203243, 224637, 545547, 609729, 1272943, 1422701, 3455131, 3818829, 4268103, 10365393, 24185917, 72557751]

約数ペア:

[(1, 72557751), (3, 24185917), (7, 10365393), (17, 4268103), (19, 3818829), (21, 3455131), (51, 1422701), (57, 1272943), (119, 609729), (133, 545547), (323, 224637), (357, 203243), (361, 200991), (399, 181849), (563, 128877), (969, 74879), (1083, 66997), (1689, 42959), (2261, 32091), (2527, 28713), (3941, 18411), (6137, 11823), (6783, 10697), (7581, 9571)]