87885567

素因数分解:

$3^5\times 7^2\times {\mathrm{11}}^2\times {\mathrm{61}}^1$

素因数の和:112

約数の個数: 108

約数和(自身を含む): 171088008

約数和(自身を除く): 83202441

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 49, 61, 63, 77, 81, 99, 121, 147, 183, 189, 231, 243, 297, 363, 427, 441, 539, 549, 567, 671, 693, 847, 891, 1089, 1281, 1323, 1617, 1647, 1701, 2013, 2079, 2541, 2673, 2989, 3267, 3843, 3969, 4697, 4851, 4941, 5929, 6039, 6237, 7381, 7623, 8967, 9801, 11529, 11907, 14091, 14553, 14823, 17787, 18117, 18711, 22143, 22869, 26901, 29403, 32879, 34587, 42273, 43659, 51667, 53361, 54351, 66429, 68607, 80703, 98637, 103761, 126819, 130977, 155001, 160083, 163053, 199287, 205821, 242109, 295911, 361669, 380457, 465003, 480249, 597861, 726327, 887733, 1085007, 1141371, 1395009, 1440747, 1793583, 2663199, 3255021, 4185027, 7989597, 9765063, 12555081, 29295189, 87885567]

約数ペア:

[(1, 87885567), (3, 29295189), (7, 12555081), (9, 9765063), (11, 7989597), (21, 4185027), (27, 3255021), (33, 2663199), (49, 1793583), (61, 1440747), (63, 1395009), (77, 1141371), (81, 1085007), (99, 887733), (121, 726327), (147, 597861), (183, 480249), (189, 465003), (231, 380457), (243, 361669), (297, 295911), (363, 242109), (427, 205821), (441, 199287), (539, 163053), (549, 160083), (567, 155001), (671, 130977), (693, 126819), (847, 103761), (891, 98637), (1089, 80703), (1281, 68607), (1323, 66429), (1617, 54351), (1647, 53361), (1701, 51667), (2013, 43659), (2079, 42273), (2541, 34587), (2673, 32879), (2989, 29403), (3267, 26901), (3843, 22869), (3969, 22143), (4697, 18711), (4851, 18117), (4941, 17787), (5929, 14823), (6039, 14553), (6237, 14091), (7381, 11907), (7623, 11529), (8967, 9801)]