15972957

素因数分解:

$3^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1$

素因数の和:240

約数の個数: 80

約数和(自身を含む): 32199552

約数和(自身を除く): 16226595

約数列:

[1, 3, 7, 9, 11, 13, 21, 27, 33, 39, 63, 77, 81, 91, 99, 117, 143, 189, 197, 231, 273, 297, 351, 429, 567, 591, 693, 819, 891, 1001, 1053, 1287, 1379, 1773, 2079, 2167, 2457, 2561, 3003, 3861, 4137, 5319, 6237, 6501, 7371, 7683, 9009, 11583, 12411, 15169, 15957, 17927, 19503, 23049, 27027, 28171, 37233, 45507, 53781, 58509, 69147, 81081, 84513, 111699, 136521, 161343, 175527, 197197, 207441, 253539, 409563, 484029, 591591, 760617, 1228689, 1452087, 1774773, 2281851, 5324319, 15972957]

約数ペア:

[(1, 15972957), (3, 5324319), (7, 2281851), (9, 1774773), (11, 1452087), (13, 1228689), (21, 760617), (27, 591591), (33, 484029), (39, 409563), (63, 253539), (77, 207441), (81, 197197), (91, 175527), (99, 161343), (117, 136521), (143, 111699), (189, 84513), (197, 81081), (231, 69147), (273, 58509), (297, 53781), (351, 45507), (429, 37233), (567, 28171), (591, 27027), (693, 23049), (819, 19503), (891, 17927), (1001, 15957), (1053, 15169), (1287, 12411), (1379, 11583), (1773, 9009), (2079, 7683), (2167, 7371), (2457, 6501), (2561, 6237), (3003, 5319), (3861, 4137)]