42428529

素因数分解:

$3^6\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1$

素因数の和:90

約数の個数: 84

約数和(自身を含む): 77336308

約数和(自身を除く): 34907779

約数列:

[1, 3, 9, 11, 13, 27, 33, 37, 39, 81, 99, 111, 117, 121, 143, 243, 297, 333, 351, 363, 407, 429, 481, 729, 891, 999, 1053, 1089, 1221, 1287, 1443, 1573, 2673, 2997, 3159, 3267, 3663, 3861, 4329, 4477, 4719, 5291, 8019, 8991, 9477, 9801, 10989, 11583, 12987, 13431, 14157, 15873, 26973, 29403, 32967, 34749, 38961, 40293, 42471, 47619, 58201, 88209, 98901, 104247, 116883, 120879, 127413, 142857, 174603, 296703, 350649, 362637, 382239, 428571, 523809, 1087911, 1146717, 1285713, 1571427, 3263733, 3857139, 4714281, 14142843, 42428529]

約数ペア:

[(1, 42428529), (3, 14142843), (9, 4714281), (11, 3857139), (13, 3263733), (27, 1571427), (33, 1285713), (37, 1146717), (39, 1087911), (81, 523809), (99, 428571), (111, 382239), (117, 362637), (121, 350649), (143, 296703), (243, 174603), (297, 142857), (333, 127413), (351, 120879), (363, 116883), (407, 104247), (429, 98901), (481, 88209), (729, 58201), (891, 47619), (999, 42471), (1053, 40293), (1089, 38961), (1221, 34749), (1287, 32967), (1443, 29403), (1573, 26973), (2673, 15873), (2997, 14157), (3159, 13431), (3267, 12987), (3663, 11583), (3861, 10989), (4329, 9801), (4477, 9477), (4719, 8991), (5291, 8019)]