81907002

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{43}}^2\times {\mathrm{107}}^1$

素因数の和:224

約数の個数: 72

約数和(自身を含む): 191359584

約数和(自身を除く): 109452582

約数列:

[1, 2, 3, 6, 9, 18, 23, 43, 46, 69, 86, 107, 129, 138, 207, 214, 258, 321, 387, 414, 642, 774, 963, 989, 1849, 1926, 1978, 2461, 2967, 3698, 4601, 4922, 5547, 5934, 7383, 8901, 9202, 11094, 13803, 14766, 16641, 17802, 22149, 27606, 33282, 41409, 42527, 44298, 82818, 85054, 105823, 127581, 197843, 211646, 255162, 317469, 382743, 395686, 593529, 634938, 765486, 952407, 1187058, 1780587, 1904814, 3561174, 4550389, 9100778, 13651167, 27302334, 40953501, 81907002]

約数ペア:

[(1, 81907002), (2, 40953501), (3, 27302334), (6, 13651167), (9, 9100778), (18, 4550389), (23, 3561174), (43, 1904814), (46, 1780587), (69, 1187058), (86, 952407), (107, 765486), (129, 634938), (138, 593529), (207, 395686), (214, 382743), (258, 317469), (321, 255162), (387, 211646), (414, 197843), (642, 127581), (774, 105823), (963, 85054), (989, 82818), (1849, 44298), (1926, 42527), (1978, 41409), (2461, 33282), (2967, 27606), (3698, 22149), (4601, 17802), (4922, 16641), (5547, 14766), (5934, 13803), (7383, 11094), (8901, 9202)]