72688203

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{263}}^1$

素因数の和:424

約数の個数: 48

約数和(自身を含む): 124540416

約数和(自身を除く): 51852213

約数列:

[1, 3, 7, 9, 21, 41, 63, 107, 123, 263, 287, 321, 369, 749, 789, 861, 963, 1841, 2247, 2367, 2583, 4387, 5523, 6741, 10783, 13161, 16569, 28141, 30709, 32349, 39483, 75481, 84423, 92127, 97047, 196987, 226443, 253269, 276381, 590961, 679329, 1153781, 1772883, 3461343, 8076467, 10384029, 24229401, 72688203]

約数ペア:

[(1, 72688203), (3, 24229401), (7, 10384029), (9, 8076467), (21, 3461343), (41, 1772883), (63, 1153781), (107, 679329), (123, 590961), (263, 276381), (287, 253269), (321, 226443), (369, 196987), (749, 97047), (789, 92127), (861, 84423), (963, 75481), (1841, 39483), (2247, 32349), (2367, 30709), (2583, 28141), (4387, 16569), (5523, 13161), (6741, 10783)]