65881431

素因数分解:

$3^5\times 7^2\times {\mathrm{11}}^1\times {\mathrm{503}}^1$

素因数の和:543

約数の個数: 72

約数和(自身を含む): 125483904

約数和(自身を除く): 59602473

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 49, 63, 77, 81, 99, 147, 189, 231, 243, 297, 441, 503, 539, 567, 693, 891, 1323, 1509, 1617, 1701, 2079, 2673, 3521, 3969, 4527, 4851, 5533, 6237, 10563, 11907, 13581, 14553, 16599, 18711, 24647, 31689, 38731, 40743, 43659, 49797, 73941, 95067, 116193, 122229, 130977, 149391, 221823, 271117, 285201, 348579, 448173, 665469, 813351, 855603, 1045737, 1344519, 1996407, 2440053, 3137211, 5989221, 7320159, 9411633, 21960477, 65881431]

約数ペア:

[(1, 65881431), (3, 21960477), (7, 9411633), (9, 7320159), (11, 5989221), (21, 3137211), (27, 2440053), (33, 1996407), (49, 1344519), (63, 1045737), (77, 855603), (81, 813351), (99, 665469), (147, 448173), (189, 348579), (231, 285201), (243, 271117), (297, 221823), (441, 149391), (503, 130977), (539, 122229), (567, 116193), (693, 95067), (891, 73941), (1323, 49797), (1509, 43659), (1617, 40743), (1701, 38731), (2079, 31689), (2673, 24647), (3521, 18711), (3969, 16599), (4527, 14553), (4851, 13581), (5533, 11907), (6237, 10563)]