42648975

素因数分解:

$3^2\times 5^2\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1$

素因数の和:209

約数の個数: 72

約数和(自身を含む): 80857920

約数和(自身を除く): 38208945

約数列:

[1, 3, 5, 9, 15, 25, 37, 45, 47, 75, 109, 111, 141, 185, 225, 235, 327, 333, 423, 545, 555, 705, 925, 981, 1175, 1635, 1665, 1739, 2115, 2725, 2775, 3525, 4033, 4905, 5123, 5217, 8175, 8325, 8695, 10575, 12099, 15369, 15651, 20165, 24525, 25615, 26085, 36297, 43475, 46107, 60495, 76845, 78255, 100825, 128075, 130425, 181485, 189551, 230535, 302475, 384225, 391275, 568653, 907425, 947755, 1152675, 1705959, 2843265, 4738775, 8529795, 14216325, 42648975]

約数ペア:

[(1, 42648975), (3, 14216325), (5, 8529795), (9, 4738775), (15, 2843265), (25, 1705959), (37, 1152675), (45, 947755), (47, 907425), (75, 568653), (109, 391275), (111, 384225), (141, 302475), (185, 230535), (225, 189551), (235, 181485), (327, 130425), (333, 128075), (423, 100825), (545, 78255), (555, 76845), (705, 60495), (925, 46107), (981, 43475), (1175, 36297), (1635, 26085), (1665, 25615), (1739, 24525), (2115, 20165), (2725, 15651), (2775, 15369), (3525, 12099), (4033, 10575), (4905, 8695), (5123, 8325), (5217, 8175)]