163944225

素因数分解:

$3^2\times 5^2\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{419}}^1$

素因数の和:519

約数の個数: 72

約数和(自身を含む): 308730240

約数和(自身を除く): 144786015

約数列:

[1, 3, 5, 9, 15, 25, 37, 45, 47, 75, 111, 141, 185, 225, 235, 333, 419, 423, 555, 705, 925, 1175, 1257, 1665, 1739, 2095, 2115, 2775, 3525, 3771, 5217, 6285, 8325, 8695, 10475, 10575, 15503, 15651, 18855, 19693, 26085, 31425, 43475, 46509, 59079, 77515, 78255, 94275, 98465, 130425, 139527, 177237, 232545, 295395, 387575, 391275, 492325, 697635, 728641, 886185, 1162725, 1476975, 2185923, 3488175, 3643205, 4430925, 6557769, 10929615, 18216025, 32788845, 54648075, 163944225]

約数ペア:

[(1, 163944225), (3, 54648075), (5, 32788845), (9, 18216025), (15, 10929615), (25, 6557769), (37, 4430925), (45, 3643205), (47, 3488175), (75, 2185923), (111, 1476975), (141, 1162725), (185, 886185), (225, 728641), (235, 697635), (333, 492325), (419, 391275), (423, 387575), (555, 295395), (705, 232545), (925, 177237), (1175, 139527), (1257, 130425), (1665, 98465), (1739, 94275), (2095, 78255), (2115, 77515), (2775, 59079), (3525, 46509), (3771, 43475), (5217, 31425), (6285, 26085), (8325, 19693), (8695, 18855), (10475, 15651), (10575, 15503)]