12828825

素因数分解:

$3^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1$

素因数の和:143

約数の個数: 72

約数和(自身を含む): 24992448

約数和(自身を除く): 12163623

約数列:

[1, 3, 5, 9, 15, 23, 25, 37, 45, 67, 69, 75, 111, 115, 185, 201, 207, 225, 333, 335, 345, 555, 575, 603, 851, 925, 1005, 1035, 1541, 1665, 1675, 1725, 2479, 2553, 2775, 3015, 4255, 4623, 5025, 5175, 7437, 7659, 7705, 8325, 12395, 12765, 13869, 15075, 21275, 22311, 23115, 37185, 38295, 38525, 57017, 61975, 63825, 69345, 111555, 115575, 171051, 185925, 191475, 285085, 346725, 513153, 557775, 855255, 1425425, 2565765, 4276275, 12828825]

約数ペア:

[(1, 12828825), (3, 4276275), (5, 2565765), (9, 1425425), (15, 855255), (23, 557775), (25, 513153), (37, 346725), (45, 285085), (67, 191475), (69, 185925), (75, 171051), (111, 115575), (115, 111555), (185, 69345), (201, 63825), (207, 61975), (225, 57017), (333, 38525), (335, 38295), (345, 37185), (555, 23115), (575, 22311), (603, 21275), (851, 15075), (925, 13869), (1005, 12765), (1035, 12395), (1541, 8325), (1665, 7705), (1675, 7659), (1725, 7437), (2479, 5175), (2553, 5025), (2775, 4623), (3015, 4255)]